; XeTeX output 2010.07.06:18091pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdȌq4H NanumGothicBoldNanumGothicBoldc  c  Kc  c  #c c  fi׎ color pop*>+! P[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-bold.otf] RX\"  NanumMyeongjoNanumMyeongjoRegular 2 6ѓ &ғ 2 - b> cmmi10x^ٓRcmr72 !", cmsy10yWK`y cmr106x+yX3m1=0 2   2 @ 2θne 2 <  T{  28 2% <  m8+nT{ 2  1  @ 0 < "%> S[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman10-regular.otf]Ǯ( & 2T{Ǯk- @ 3Ǯ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q4ޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U3ok/pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 36.07845 m q'pdf: content Q -107.47026 36.07845 l qOpdf: content Q -109.68196 36.07845 -111.45537 34.30505 -111.45537 32.09334 c q(pdf: content Q -111.45537 -32.09334 l qRpdf: content Q -111.45537 -34.30505 -109.68196 -36.07845 -107.47026 -36.07845 c q'pdf: content Q 107.47026 -36.07845 l qOpdf: content Q 109.68196 -36.07845 111.45537 -34.30505 111.45537 -32.09334 c q&pdf: content Q 111.45537 32.09334 l qLpdf: content Q 111.45537 34.30505 109.68196 36.07845 107.47026 36.07845 c qpdf: content Q h q(pdf: content Q -111.45537 -36.07845 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qe BZ+8 N4=6=n; z =3m81=8T{ 2 &i #n=6;#m=3T{ 2 < & msam10)T{m8+n=3pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 44.70573 m q&pdf: content Q -97.90599 44.70573 l qMpdf: content Q -100.11769 44.70573 -101.8911 42.93233 -101.8911 40.72063 c q%pdf: content Q -101.8911 32.6318 l qKpdf: content Q -101.8911 30.42009 -100.11769 28.6467 -97.90599 28.6467 c q%pdf: content Q -80.30193 28.6467 l qJpdf: content Q -78.09021 28.6467 -76.31682 30.42009 -76.31682 32.6318 c q&pdf: content Q -76.31682 40.72063 l qLpdf: content Q -76.31682 42.93233 -78.09021 44.70573 -80.30193 44.70573 c qpdf: content Q h q%pdf: content Q -101.8911 28.6467 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 33.13474 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q3f+ kX\ 2 6ѐ &ғ 2 -x^2?z˲4xz̲+2=0 2   1퓵 z;0 | "% @ <  e  1T{ 3 0 1 , 1 %Q  %0  2! 4i  @ 0 < "%Xi5VQpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0 G qpdf: content Q q qpdf: content Q 0 G qǮ( & 2T{Ǯk- @ 3Ǯ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q4ޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q.3 Ŏ ݍk0pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 63.15544 m q'pdf: content Q -107.47026 63.15544 l qOpdf: content Q -109.68196 63.15544 -111.45537 61.38203 -111.45537 59.17033 c q(pdf: content Q -111.45537 -59.17033 l qRpdf: content Q -111.45537 -61.38203 -109.68196 -63.15544 -107.47026 -63.15544 c q'pdf: content Q 107.47026 -63.15544 l qOpdf: content Q 109.68196 -63.15544 111.45537 -61.38203 111.45537 -59.17033 c q&pdf: content Q 111.45537 59.17033 l qLpdf: content Q 111.45537 61.38203 109.68196 63.15544 107.47026 63.15544 c qpdf: content Q h q(pdf: content Q -111.45537 -63.15544 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q BZ+8 N4=4;# z =2 $ z^2Ͳ+8 ^2ʧ=( BZ+ )^2S2 z N4=4^2S22=12 %<$1.wfeo (֍ ^+<$1lwfe/ (֍ z=<$K BZ+8 Kwfe (֍o z ˭=2s &<$J1.wfe 9 (֍ z =<$K1Kwfe (֍2 '<$(/ .wfeo (֍ ^+<$l lwfeo (֍  {=<$K z^2Ͳ+8 ^2Kwfe! (֍ z )ē=<$K12Kwfe  (֍2=6pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 71.78271 m q&pdf: content Q -97.90599 71.78271 l qLpdf: content Q -100.11769 71.78271 -101.8911 70.00931 -101.8911 67.7976 c q&pdf: content Q -101.8911 59.70879 l qMpdf: content Q -101.8911 57.49709 -100.11769 55.72368 -97.90599 55.72368 c q&pdf: content Q -80.30193 55.72368 l qLpdf: content Q -78.09021 55.72368 -76.31682 57.49709 -76.31682 59.70879 c q%pdf: content Q -76.31682 67.7976 l qLpdf: content Q -76.31682 70.00931 -78.09021 71.78271 -80.30193 71.78271 c qpdf: content Q h q&pdf: content Q -101.8911 55.72368 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 60.21173 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>+Ն jXOJ 2 6њ &ғ 2 -2x^2d4xd+14\=4]0 2   1혵 z;@  "% @ ' <  T{  1 3 0 4i / 1鎓fe , 1 &)Ǯ( & 2Ǯk- @ 3Ǯ)8Ս |n ׎/|o BZ+8 N4=2c ؎c z N4=<$K1Kwfe (֍2捍 |n َ/|o BZ+8  z N4=<$K3Kwfe (֍2c ڎcpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qc z^2Ͳ+8 ^2ʧ=<$K7Kwfe (֍2 |n ێ<$1g010wfeo (֍ :Ҳ+<$1lwfe/ (֍ z=4_pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 79.30241 m q'pdf: content Q -107.47026 79.30241 l qNpdf: content Q -109.68196 79.30241 -111.45537 77.52902 -111.45537 75.3173 c q'pdf: content Q -111.45537 -75.3173 l qRpdf: content Q -111.45537 -77.52902 -109.68196 -79.30241 -107.47026 -79.30241 c q'pdf: content Q 107.47026 -79.30241 l qNpdf: content Q 109.68196 -79.30241 111.45537 -77.52902 111.45537 -75.3173 c q%pdf: content Q 111.45537 75.3173 l qLpdf: content Q 111.45537 77.52902 109.68196 79.30241 107.47026 79.30241 c qpdf: content Q h q(pdf: content Q -111.45537 -79.30241 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qX BZ+8 N4=2; z =<$K1Kwfe (֍2 ׎ BZ+8 N4=2 ؎ z N4=<$K1Kwfe (֍2 َ BZ+8  z N4=2<$l1lwfe (֍2 f_=<$K3Kwfe (֍2 ڎ 9 z^2g+y ^2ʧ=(  + )^2~2 z N4=2^2~+(2)z<$515wfe (֍2 /=3 ێ<$1.wfeo (֍ ^+<$1lwfe/ (֍ z=<$K BZ+8 Kwfe (֍o z ˭=<$-~2Kwfefghҍ33133fe (֍2Z=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 87.92969 m q&pdf: content Q -97.90599 87.92969 l qLpdf: content Q -100.11769 87.92969 -101.8911 86.1563 -101.8911 83.94458 c q&pdf: content Q -101.8911 75.85577 l qMpdf: content Q -101.8911 73.64406 -100.11769 71.87067 -97.90599 71.87067 c q&pdf: content Q -80.30193 71.87067 l qLpdf: content Q -78.09021 71.87067 -76.31682 73.64406 -76.31682 75.85577 c q&pdf: content Q -76.31682 83.94458 l qKpdf: content Q -76.31682 86.1563 -78.09021 87.92969 -80.30193 87.92969 c qpdf: content Q h q&pdf: content Q -101.8911 71.87067 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 76.3587 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qo卍+Ն 9X6c 2 6њ &ғ 2 -lx^2^HAxH+43=0 2   2l1Ǯ-lB 2% <  'A;#B 2T{  1  @ 0 < "%:Ǯ( & 2Ǯk- @ 3Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q43uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM=T{53uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM{"=T{4pMxpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 36.24709 m q'pdf: content Q -107.47026 36.24709 l qOpdf: content Q -109.68196 36.24709 -111.45537 34.47368 -111.45537 32.26198 c q(pdf: content Q -111.45537 -32.26198 l qRpdf: content Q -111.45537 -34.47368 -109.68196 -36.24709 -107.47026 -36.24709 c q'pdf: content Q 107.47026 -36.24709 l qOpdf: content Q 109.68196 -36.24709 111.45537 -34.47368 111.45537 -32.26198 c q&pdf: content Q 111.45537 32.26198 l qLpdf: content Q 111.45537 34.47368 109.68196 36.24709 107.47026 36.24709 c qpdf: content Q h q(pdf: content Q -111.45537 -36.24709 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qf  T{ m , 2  m 0y 2 @ 04=18B 2 &i #T{BG=4A=18+B 2 &i #T{A=5 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 44.87436 m q&pdf: content Q -97.90599 44.87436 l qMpdf: content Q -100.11769 44.87436 -101.8911 43.10097 -101.8911 40.88925 c q&pdf: content Q -101.8911 32.80043 l qMpdf: content Q -101.8911 30.58873 -100.11769 28.81532 -97.90599 28.81532 c q&pdf: content Q -80.30193 28.81532 l qLpdf: content Q -78.09021 28.81532 -76.31682 30.58873 -76.31682 32.80043 c q&pdf: content Q -76.31682 40.88925 l qLpdf: content Q -76.31682 43.10097 -78.09021 44.87436 -80.30193 44.87436 c qpdf: content Q h q&pdf: content Q -101.8911 28.81532 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 33.30338 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32j5ffS[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-regular.otf]VR color pop,1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>+ 8Xu 2 6њ &ғ 2 -x^2+d3xd114\=4]0 2   1혵 z;@  "% @ e <   @+1Ǯ- B+1 1   1 # @ <  x^2q 2 m , 1 2!e 2 6 & 2 - 1 _%Ǯ( & 2T{Ǯj- @ +jǮ)7y؍D ׎ x^2S+83x11=0o$ ؎~%x^2S+83x13=0捍 َpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q x^2S+8x13=0o$ ڎ~%x^2S+8x11=0 ێ x^2S+8x9=0\kʇpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 52.67244 m q'pdf: content Q -107.47026 52.67244 l qOpdf: content Q -109.68196 52.67244 -111.45537 50.89905 -111.45537 48.68733 c q(pdf: content Q -111.45537 -48.68733 l qRpdf: content Q -111.45537 -50.89905 -109.68196 -52.67244 -107.47026 -52.67244 c q'pdf: content Q 107.47026 -52.67244 l qOpdf: content Q 109.68196 -52.67244 111.45537 -50.89905 111.45537 -48.68733 c q&pdf: content Q 111.45537 48.68733 l qLpdf: content Q 111.45537 50.89905 109.68196 52.67244 107.47026 52.67244 c qpdf: content Q h q(pdf: content Q -111.45537 -52.67244 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qux^2S+83x11=0T{ 0y +œ BZ+8 N4=3;# z =11 BZ+81;# +1T{ 1   1 # @ = 2 6 & 2 - 0y +Ŏ T{  2 @ 1铲( BZ+81)+( +1)=1 Q _ 2  1Q( +Ն dX'  1T{ 2 6 & 2 - 2   2 @ 1 '2x^2S85x3=0TǮ( & 2T{Ǯj- @ +jǮ)*卍7 |n ׎<$030wfe (֍2ku ؎pvpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q<${5{wfe (֍2| َ}<$33533wfe (֍2捍 |n ڎ/|o<$33733wfe (֍2ku ێzv<$33333wfe (֍2pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 41.27863 m q'pdf: content Q -107.47026 41.27863 l qOpdf: content Q -109.68196 41.27863 -111.45537 39.50522 -111.45537 37.29352 c q(pdf: content Q -111.45537 -37.29352 l qRpdf: content Q -111.45537 -39.50522 -109.68196 -41.27863 -107.47026 -41.27863 c q'pdf: content Q 107.47026 -41.27863 l qOpdf: content Q 109.68196 -41.27863 111.45537 -39.50522 111.45537 -37.29352 c q&pdf: content Q 111.45537 37.29352 l qLpdf: content Q 111.45537 39.50522 109.68196 41.27863 107.47026 41.27863 c qpdf: content Q h q(pdf: content Q -111.45537 -41.27863 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qY-ax^2\+zbxz+cl-=l.0(a6=0)o 2   1퓵 z;b > "% @ <  T{ BZ+8 N4=<$vb33wfeI0 (֍a;# z =<$tcKwfeI0 (֍a 2 $%T{ 2 1R @ %U   2 @V=<$33533wfe  (֍2=<$K5Kwfe (֍2 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 49.9059 m q%pdf: content Q -97.90599 49.9059 l qLpdf: content Q -100.11769 49.9059 -101.8911 48.13249 -101.8911 45.92079 c q&pdf: content Q -101.8911 37.83197 l qMpdf: content Q -101.8911 35.62027 -100.11769 33.84686 -97.90599 33.84686 c q&pdf: content Q -80.30193 33.84686 l qLpdf: content Q -78.09021 33.84686 -76.31682 35.62027 -76.31682 37.83197 c q&pdf: content Q -76.31682 45.92079 l qJpdf: content Q -76.31682 48.13249 -78.09021 49.9059 -80.30193 49.9059 c qpdf: content Q h q&pdf: content Q -101.8911 33.84686 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 38.33492 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q7΍Ն 3X ! 1U 2 6ѕ" &ғ 2! - 2T  ! 1혵 z; xq "%  @ T <  <$/1$wfeo (֍ 9S+<$="1wfe/ (֍ 8 2Ѝ'  1 "+~pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0 G qpdf: content Q q qpdf: content Q 0 G qcolor push gray 0fdfi׎ color pop*>+ NXae 2 6ѕ &ғ 2 -+x^2b5x2=0 2+   1혵m;n 2 "% @ e <  T{m^2S+8n^2 2  1 A۟Ǯ( & 2Ǯj- @ +jǮ)}򍍍* ׎ 25+ ؎0pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q:29Y m َh n365 ڎ5ز47_A ێ_B67gRkopdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q%pdf: content Q 107.47026 28.6117 m q&pdf: content Q -107.47026 28.6117 l qNpdf: content Q -109.68196 28.6117 -111.45537 26.83829 -111.45537 24.62659 c q(pdf: content Q -111.45537 -24.62659 l qPpdf: content Q -111.45537 -26.83829 -109.68196 -28.6117 -107.47026 -28.6117 c q&pdf: content Q 107.47026 -28.6117 l qNpdf: content Q 109.68196 -28.6117 111.45537 -26.83829 111.45537 -24.62659 c q&pdf: content Q 111.45537 24.62659 l qJpdf: content Q 111.45537 26.83829 109.68196 28.6117 107.47026 28.6117 c qpdf: content Q h q'pdf: content Q -111.45537 -28.6117 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q T{  2 @m8+n=5T{Ǯ-   2 mn=2m^2S+8n^2C=(m+n)^22mn=29pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 37.23897 m q&pdf: content Q -97.90599 37.23897 l qMpdf: content Q -100.11769 37.23897 -101.8911 35.46558 -101.8911 33.25386 c q&pdf: content Q -101.8911 25.16504 l qMpdf: content Q -101.8911 22.95334 -100.11769 21.17993 -97.90599 21.17993 c q&pdf: content Q -80.30193 21.17993 l qLpdf: content Q -78.09021 21.17993 -76.31682 22.95334 -76.31682 25.16504 c q&pdf: content Q -76.31682 33.25386 l qLpdf: content Q -76.31682 35.46558 -78.09021 37.23897 -80.30193 37.23897 c qpdf: content Q h q&pdf: content Q -101.8911 21.17993 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 25.66798 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q-+D RyXY 2 6ѓ &ғ 2 -Jx^2:?2x:>1=0 2   2 @ 2x^2:>4x:?+ek=0T{ 2 @  2% <  +j ,k 2  1 4üǮ( & 2T{Ǯj- @ +jǮ)*卍7 ׎ 12I ؎X4C َC2捍 ڎpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q 4I ێX12ykpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 44.37544 m q'pdf: content Q -107.47026 44.37544 l qOpdf: content Q -109.68196 44.37544 -111.45537 42.60205 -111.45537 40.39034 c q(pdf: content Q -111.45537 -40.39034 l qRpdf: content Q -111.45537 -42.60205 -109.68196 -44.37544 -107.47026 -44.37544 c q'pdf: content Q 107.47026 -44.37544 l qOpdf: content Q 109.68196 -44.37544 111.45537 -42.60205 111.45537 -40.39034 c q&pdf: content Q 111.45537 40.39034 l qLpdf: content Q 111.45537 42.60205 109.68196 44.37544 107.47026 44.37544 c qpdf: content Q h q(pdf: content Q -111.45537 -44.37544 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q=m  T{ m , 0 2  m 0y 2 @x^2S82x1=0T{ 2   2 @ 1铲2x=2T{ $%x^2S84x+k=0T{ 0y  2. @ %488+k=0 p)k=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 53.00273 m q&pdf: content Q -97.90599 53.00273 l qMpdf: content Q -100.11769 53.00273 -101.8911 51.22932 -101.8911 49.01762 c q%pdf: content Q -101.8911 40.9288 l qKpdf: content Q -101.8911 38.71709 -100.11769 36.9437 -97.90599 36.9437 c q%pdf: content Q -80.30193 36.9437 l qJpdf: content Q -78.09021 36.9437 -76.31682 38.71709 -76.31682 40.9288 c q&pdf: content Q -76.31682 49.01762 l qLpdf: content Q -76.31682 51.22932 -78.09021 53.00273 -80.30193 53.00273 c qpdf: content Q h q%pdf: content Q -101.8911 36.9437 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 41.43173 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>+ՆD RRX" 2 6њ &ғ 2 -f3x^21 +5x9=0g 2   2 @   1 ' u 1t #Qu @ = 2 6њt &ғ 2 - 1Qu  @ % QyU <  Qvx^2 2Qu m , ='3T{ 2 < V{RǮ( & 2Ǯj- 3 @Ǯ)PuЇ^ |n ׎/|o3x^2S+813x+14=0捍 |n ؎%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|o3x^2S+814x+15=0 |n َ/|o3x^2S+815x+16=0 |n ڎ/|o3x^2S+816x+17=0 |n ێ/|o3x^2S+817x+18=0 $pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 86.52617 m q'pdf: content Q -107.47026 86.52617 l qOpdf: content Q -109.68196 86.52617 -111.45537 84.75278 -111.45537 82.54106 c q(pdf: content Q -111.45537 -82.54106 l qRpdf: content Q -111.45537 -84.75278 -109.68196 -86.52617 -107.47026 -86.52617 c q'pdf: content Q 107.47026 -86.52617 l qOpdf: content Q 109.68196 -86.52617 111.45537 -84.75278 111.45537 -82.54106 c q&pdf: content Q 111.45537 82.54106 l qLpdf: content Q 111.45537 84.75278 109.68196 86.52617 107.47026 86.52617 c qpdf: content Q h q(pdf: content Q -111.45537 -86.52617 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q3x^2+5x9k=0 2  ( 1퓵 z;Qf - "%  @( % BZ+8 N4=<$33533wfe (֍3 Ǯ-T{ z =3xHd=3  P =xHe=<$33533wfe (֍3 b $%   P 1 O # @ = 2 6ѓ &Ҏ 2 - 1鎡(x8+3)ru%p  yhcmex10ЀUTx+<$l5lwfe (֍3 GruЀ+y=0)x^2S+<$l14lwfe  (֍3Hx8+5=0x^2 2T{ m , 3 2 &i #3ruЀUTx^2S+<$l14lwfe  (֍3Hx8+5ruЀK=0;  "% +śT{3x^2S+814x+15=0 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 95.15344 m q&pdf: content Q -97.90599 95.15344 l qMpdf: content Q -100.11769 95.15344 -101.8911 93.38005 -101.8911 91.16833 c q&pdf: content Q -101.8911 83.07951 l qKpdf: content Q -101.8911 80.86781 -100.11769 79.0944 -97.90599 79.0944 c q%pdf: content Q -80.30193 79.0944 l qKpdf: content Q -78.09021 79.0944 -76.31682 80.86781 -76.31682 83.07951 c q&pdf: content Q -76.31682 91.16833 l qLpdf: content Q -76.31682 93.38005 -78.09021 95.15344 -80.30193 95.15344 c qpdf: content Q h q%pdf: content Q -101.8911 79.0944 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 83.58246 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q++ՆD RkXf 2 6ѐ &ғ 2 -x^2?z˲2xz̲+5=0 2   1퓵 z;0 | "% @ <  ' z^2Ͳ+8 ^2X 2T{  1  @ 0 < "%02Ǯ( & 2Ǯj- 3 @Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q43uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM6?pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 45.20569 m q'pdf: content Q -107.47026 45.20569 l qOpdf: content Q -109.68196 45.20569 -111.45537 43.43228 -111.45537 41.22058 c q(pdf: content Q -111.45537 -41.22058 l qRpdf: content Q -111.45537 -43.43228 -109.68196 -45.20569 -107.47026 -45.20569 c q'pdf: content Q 107.47026 -45.20569 l qOpdf: content Q 109.68196 -45.20569 111.45537 -43.43228 111.45537 -41.22058 c q&pdf: content Q 111.45537 41.22058 l qLpdf: content Q 111.45537 43.43228 109.68196 45.20569 107.47026 45.20569 c qpdf: content Q h q(pdf: content Q -111.45537 -45.20569 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qhx^2<ܸi2x+h5=0 2  g 2 )Ǯ-ʵ  2 &i #   m , 0 2T{  m 0y +Ŏ BZ+8 N4=2;# z =5 z^2Ͳ+8 ^2ʧ=( BZ+ )^2S2 z N4=2^2S25=6pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 53.83296 m q&pdf: content Q -97.90599 53.83296 l qMpdf: content Q -100.11769 53.83296 -101.8911 52.05956 -101.8911 49.84785 c q&pdf: content Q -101.8911 41.75903 l qMpdf: content Q -101.8911 39.54733 -100.11769 37.77393 -97.90599 37.77393 c q&pdf: content Q -80.30193 37.77393 l qLpdf: content Q -78.09021 37.77393 -76.31682 39.54733 -76.31682 41.75903 c q&pdf: content Q -76.31682 49.84785 l qLpdf: content Q -76.31682 52.05956 -78.09021 53.83296 -80.30193 53.83296 c qpdf: content Q h q&pdf: content Q -101.8911 37.77393 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 42.26198 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32jVj color pop1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>+D RjX`C 2H 6ѓ &ғ 2 -6x^2I]+ax+b=0 2  H 21;52 2% <  ea8bT{ 2  1 _Ǯ( & 2Ǯj- 3 @Ǯ)*卍7 ׎ 18I ؎X6C َC6捍 ڎpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q 18I ێX245kfpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 46.82281 m q'pdf: content Q -107.47026 46.82281 l qNpdf: content Q -109.68196 46.82281 -111.45537 45.04941 -111.45537 42.8377 c q'pdf: content Q -111.45537 -42.8377 l qRpdf: content Q -111.45537 -45.04941 -109.68196 -46.82281 -107.47026 -46.82281 c q'pdf: content Q 107.47026 -46.82281 l qNpdf: content Q 109.68196 -46.82281 111.45537 -45.04941 111.45537 -42.8377 c q%pdf: content Q 111.45537 42.8377 l qLpdf: content Q 111.45537 45.04941 109.68196 46.82281 107.47026 46.82281 c qpdf: content Q h q(pdf: content Q -111.45537 -46.82281 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qȏ  T{ m , 2  m # () ;َ18+(2)=<$33a33wfeI0 (֍$6Ǯ-T{a=618(2)=<$TbKwfe (֍6 -Ǯ-T{b=12)a8b=18pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 55.45009 m q&pdf: content Q -97.90599 55.45009 l qMpdf: content Q -100.11769 55.45009 -101.8911 53.67668 -101.8911 51.46498 c q&pdf: content Q -101.8911 43.37616 l qMpdf: content Q -101.8911 41.16446 -100.11769 39.39105 -97.90599 39.39105 c q&pdf: content Q -80.30193 39.39105 l qLpdf: content Q -78.09021 39.39105 -76.31682 41.16446 -76.31682 43.37616 c q&pdf: content Q -76.31682 51.46498 l qLpdf: content Q -76.31682 53.67668 -78.09021 55.45009 -80.30193 55.45009 c qpdf: content Q h q&pdf: content Q -101.8911 39.39105 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 43.8791 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qs+D R9X 2 O 6ѕ P &ғ 2 -x^2 l4x+l2Hc=Hb0 2   O 2  P 2 &ғ 2 P -e2x^2S83xk=0T{ 2  2% <  +j ,k 2  1 4üǮ( & 2T{Ǯj- 3 @Ǯ)}򍍍* ׎ 1+ ؎0pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q:2Y m َh n35 ڎ5ز4_A ێ_B52kFpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 43.96034 m q'pdf: content Q -107.47026 43.96034 l qOpdf: content Q -109.68196 43.96034 -111.45537 42.18694 -111.45537 39.97523 c q(pdf: content Q -111.45537 -39.97523 l qRpdf: content Q -111.45537 -42.18694 -109.68196 -43.96034 -107.47026 -43.96034 c q'pdf: content Q 107.47026 -43.96034 l qOpdf: content Q 109.68196 -43.96034 111.45537 -42.18694 111.45537 -39.97523 c q&pdf: content Q 111.45537 39.97523 l qLpdf: content Q 111.45537 42.18694 109.68196 43.96034 107.47026 43.96034 c qpdf: content Q h q(pdf: content Q -111.45537 -43.96034 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx^2S84x+2=0T{ 0y +œU   2 V=22x^2S83xk=030 0yT{x=2 $%T{  2. @ %886k=0)k=2pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 52.58762 m q&pdf: content Q -97.90599 52.58762 l qMpdf: content Q -100.11769 52.58762 -101.8911 50.81421 -101.8911 48.60251 c q&pdf: content Q -101.8911 40.51369 l qMpdf: content Q -101.8911 38.30199 -100.11769 36.52858 -97.90599 36.52858 c q&pdf: content Q -80.30193 36.52858 l qLpdf: content Q -78.09021 36.52858 -76.31682 38.30199 -76.31682 40.51369 c q&pdf: content Q -76.31682 48.60251 l qLpdf: content Q -76.31682 50.81421 -78.09021 52.58762 -80.30193 52.58762 c qpdf: content Q h q&pdf: content Q -101.8911 36.52858 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 41.01663 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>ՆD R8X$/ 2u 6њv &ғ 2 -*x^2a2PpUWPfeE3 UXx+1=0* 2  u 1퓵 zǮ-*  "% @ ' <  0 z^2o页 z p+ ^2 2  1  @ 0 < "%Ǯ( & 2T{Ǯj- 3 @Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q43uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM9K獍apdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 46.84343 m q'pdf: content Q -107.47026 46.84343 l qOpdf: content Q -109.68196 46.84343 -111.45537 45.07002 -111.45537 42.85832 c q(pdf: content Q -111.45537 -42.85832 l qRpdf: content Q -111.45537 -45.07002 -109.68196 -46.84343 -107.47026 -46.84343 c q'pdf: content Q 107.47026 -46.84343 l qOpdf: content Q 109.68196 -46.84343 111.45537 -45.07002 111.45537 -42.85832 c q&pdf: content Q 111.45537 42.85832 l qLpdf: content Q 111.45537 45.07002 109.68196 46.84343 107.47026 46.84343 c qpdf: content Q h q(pdf: content Q -111.45537 -46.84343 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q捽 BZ+8 N4=2PpUWPfeE3 UXǮ-T{ z =1T{ 2 &i #3 z^2͸8 z + ^2?=( BZ+8 )^2S3 z ?=(2PpUWPfeE3 UX)^2S831?=9pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 55.4707 m q%pdf: content Q -97.90599 55.4707 l qJpdf: content Q -100.11769 55.4707 -101.8911 53.6973 -101.8911 51.4856 c q&pdf: content Q -101.8911 43.39677 l qMpdf: content Q -101.8911 41.18507 -100.11769 39.41167 -97.90599 39.41167 c q&pdf: content Q -80.30193 39.41167 l qLpdf: content Q -78.09021 39.41167 -76.31682 41.18507 -76.31682 43.39677 c q%pdf: content Q -76.31682 51.4856 l qIpdf: content Q -76.31682 53.6973 -78.09021 55.4707 -80.30193 55.4707 c qpdf: content Q h q&pdf: content Q -101.8911 39.41167 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 43.89972 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q4+ՆD ReXo 2U 6ѓ &ғ 2T -ò2x^2+y(az1)x+b=0 2  U 2 @ 2'4׷Ǯ-  26 2% <  +j ,a;_b׸ 0y  @ 0at+sb 2׸  1펡'  @ 0 < "%xf Ǯ( & 2T{Ǯj- 3 @Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q43uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM5;pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 46.99146 m q'pdf: content Q -107.47026 46.99146 l qOpdf: content Q -109.68196 46.99146 -111.45537 45.21805 -111.45537 43.00635 c q(pdf: content Q -111.45537 -43.00635 l qRpdf: content Q -111.45537 -45.21805 -109.68196 -46.99146 -107.47026 -46.99146 c q'pdf: content Q 107.47026 -46.99146 l qOpdf: content Q 109.68196 -46.99146 111.45537 -45.21805 111.45537 -43.00635 c q&pdf: content Q 111.45537 43.00635 l qLpdf: content Q 111.45537 45.21805 109.68196 46.99146 107.47026 46.99146 c qpdf: content Q h q(pdf: content Q -111.45537 -46.99146 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q:  T{ m , 2  m 0y 2 @ 0<$33(a81)33wfeI- (֍ 2#v=4T{ 2 &i #a=7<$ߵb33wfe (֍2 -=6T{ 2 &i #b=12 2 <   "% +śT{a8+b=78+12=5 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 55.61873 m q&pdf: content Q -97.90599 55.61873 l qMpdf: content Q -100.11769 55.61873 -101.8911 53.84532 -101.8911 51.63362 c q%pdf: content Q -101.8911 43.5448 l qJpdf: content Q -101.8911 41.3331 -100.11769 39.5597 -97.90599 39.5597 c q%pdf: content Q -80.30193 39.5597 l qIpdf: content Q -78.09021 39.5597 -76.31682 41.3331 -76.31682 43.5448 c q&pdf: content Q -76.31682 51.63362 l qLpdf: content Q -76.31682 53.84532 -78.09021 55.61873 -80.30193 55.61873 c qpdf: content Q h q%pdf: content Q -101.8911 39.5597 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 44.04774 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32jV9 color pop1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>+D RdXex^2h*2x*1=0M 2M   1혵 z;/ Ԥ "%  @ M <  M  1 3e z^2;# ^2X 1T{   1 # @ = 2 6 & 2 - 1 4üǮ( & 2T{Ǯj- 3 @Ǯ)7y؍D ׎ x^2S+86x+1=0o$ ؎t%pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q~%x^2S86x+1=0捍 َ x^2S+86x1=0o$ ڎ~%x^2S+83x+1=0 ێ x^2S83x+1=0|k/pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 36.07845 m q'pdf: content Q -107.47026 36.07845 l qOpdf: content Q -109.68196 36.07845 -111.45537 34.30505 -111.45537 32.09334 c q(pdf: content Q -111.45537 -32.09334 l qRpdf: content Q -111.45537 -34.30505 -109.68196 -36.07845 -107.47026 -36.07845 c q'pdf: content Q 107.47026 -36.07845 l qOpdf: content Q 109.68196 -36.07845 111.45537 -34.30505 111.45537 -32.09334 c q&pdf: content Q 111.45537 32.09334 l qLpdf: content Q 111.45537 34.30505 109.68196 36.07845 107.47026 36.07845 c qpdf: content Q h q(pdf: content Q -111.45537 -36.07845 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qe BZ+8 N4=2;# z =1T{ 0y +Ŏ z^2Ͳ+8 ^2ʧ=6;# z^2 ^2=1T{ 2 &i #x^2S86x+1=0pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 44.70573 m q&pdf: content Q -97.90599 44.70573 l qMpdf: content Q -100.11769 44.70573 -101.8911 42.93233 -101.8911 40.72063 c q%pdf: content Q -101.8911 32.6318 l qKpdf: content Q -101.8911 30.42009 -100.11769 28.6467 -97.90599 28.6467 c q%pdf: content Q -80.30193 28.6467 l qJpdf: content Q -78.09021 28.6467 -76.31682 30.42009 -76.31682 32.6318 c q&pdf: content Q -76.31682 40.72063 l qLpdf: content Q -76.31682 42.93233 -78.09021 44.70573 -80.30193 44.70573 c qpdf: content Q h q%pdf: content Q -101.8911 28.6467 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 33.13474 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q'ʝ+D R3Xu 2 6ѕ &ғ 2 -x^2\3mxm+1=0 2   2 ( e1:2T{ 2% <  +j ,m 2   # 2 # 0] 4m 4z @ 1 4üǮ( & 2T{Ǯ9- 3 3Ǯ)9S ׎ ruЀ<$β1Οwfe (֍2ruЀo$ ؎~%ruЀ&<$33133wfe (֍2fg;1ruЀq َ ruЀ1;<$33133wfe (֍2fgruЀo$ ڎt%pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q~%ruЀ&1;<$۲1۟wfe (֍2 ruЀ ێ ruЀ<$β1Οwfe (֍2;#2ruЀk럶ܓpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 72.26831 m q'pdf: content Q -107.47026 72.26831 l qMpdf: content Q -109.68196 72.26831 -111.45537 70.4949 -111.45537 68.2832 c q'pdf: content Q -111.45537 -68.2832 l qQpdf: content Q -111.45537 -70.4949 -109.68196 -72.26831 -107.47026 -72.26831 c q'pdf: content Q 107.47026 -72.26831 l qMpdf: content Q 109.68196 -72.26831 111.45537 -70.4949 111.45537 -68.2832 c q%pdf: content Q 111.45537 68.2832 l qKpdf: content Q 111.45537 70.4949 109.68196 72.26831 107.47026 72.26831 c qpdf: content Q h q(pdf: content Q -111.45537 -72.26831 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q>+ T{  1퓵 z;2 < # < 1 % BZ+82 В=3m;# =m BZ82 В=m+12 z^2M=m8+12m^2S+8m1=0(2m81)(m+1)=0)m=<$K1Kwfe (֍2  =T{m=1pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 80.89558 m q&pdf: content Q -97.90599 80.89558 l qLpdf: content Q -100.11769 80.89558 -101.8911 79.1222 -101.8911 76.91048 c q&pdf: content Q -101.8911 68.82166 l qMpdf: content Q -101.8911 66.60995 -100.11769 64.83655 -97.90599 64.83655 c q&pdf: content Q -80.30193 64.83655 l qLpdf: content Q -78.09021 64.83655 -76.31682 66.60995 -76.31682 68.82166 c q&pdf: content Q -76.31682 76.91048 l qKpdf: content Q -76.31682 79.1222 -78.09021 80.89558 -80.30193 80.89558 c qpdf: content Q h q&pdf: content Q -101.8911 64.83655 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 69.3246 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>΍ՆD RNX 2 6ѕ &ғ 2 -(x^2zn3xn5=0' 2   2 zǮ-B vD 2% <  <$1"uwfeo (֍ żǮ-<$1[&wfe/ (֍ (n 1  v 1w # @ x^2- 2 mv , 5 2! 2v 6ј &Ҙ 2 - 1 ЍǮ( & 2T{Ǯ9- 3 3Ǯ)7y؍D |n ׎/|o5x^2S+8x3=0c ؎c5x^2S8x3=0捍 |n َ%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|o5x^2S+83x1=0c ڎc5x^2S83x1=0 |n ێ/|o5x^2S85x1=0Z*vpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 58.34033 m q'pdf: content Q -107.47026 58.34033 l qOpdf: content Q -109.68196 58.34033 -111.45537 56.56694 -111.45537 54.35522 c q(pdf: content Q -111.45537 -54.35522 l qRpdf: content Q -111.45537 -56.56694 -109.68196 -58.34033 -107.47026 -58.34033 c q'pdf: content Q 107.47026 -58.34033 l qOpdf: content Q 109.68196 -58.34033 111.45537 -56.56694 111.45537 -54.35522 c q&pdf: content Q 111.45537 54.35522 l qLpdf: content Q 111.45537 56.56694 109.68196 58.34033 107.47026 58.34033 c qpdf: content Q h q(pdf: content Q -111.45537 -58.34033 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q֍ BZ+8 N4=3;# z =5)<$T1NƟwfeo (֍ )+<$1lwfe/ (֍ z=<$K BZ+8 Kwfe (֍o z ˭=<$3Kwfe  (֍5=<$33333wfe (֍5s<$133wfeo (֍ c<$1lwfe/ (֍ z=<$g1Kwfe 9 (֍ z ϲ=<$1Kwfe  (֍5=<$33133wfe (֍5)x^2S+<$l3lwfe (֍5 Gx8<$l1lwfe (֍5 f_=0)5x^2S+83x1=0pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 66.9676 m q%pdf: content Q -97.90599 66.9676 l qKpdf: content Q -100.11769 66.9676 -101.8911 65.19421 -101.8911 62.9825 c q&pdf: content Q -101.8911 54.89368 l qMpdf: content Q -101.8911 52.68198 -100.11769 50.90857 -97.90599 50.90857 c q&pdf: content Q -80.30193 50.90857 l qLpdf: content Q -78.09021 50.90857 -76.31682 52.68198 -76.31682 54.89368 c q%pdf: content Q -76.31682 62.9825 l qJpdf: content Q -76.31682 65.19421 -78.09021 66.9676 -80.30193 66.9676 c qpdf: content Q h q&pdf: content Q -101.8911 50.90857 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 55.39662 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q_@+ՆD kyX'x 0y  @ 2 6ѓ &ғ 2 -ax^2+dbxd+14T=0 2 @ 4z @ 2'ruЀ$<$33133wfe (֍2fg;#1ruЀ1 2%T{ <  a8+b30 2T{  1  @ 0 < "%LǮ( & 2T{Ǯ9- 3 3Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q43uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM1/ijpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 58.48213 m q'pdf: content Q -107.47026 58.48213 l qOpdf: content Q -109.68196 58.48213 -111.45537 56.70872 -111.45537 54.49702 c q(pdf: content Q -111.45537 -54.49702 l qRpdf: content Q -111.45537 -56.70872 -109.68196 -58.48213 -107.47026 -58.48213 c q'pdf: content Q 107.47026 -58.48213 l qOpdf: content Q 109.68196 -58.48213 111.45537 -56.70872 111.45537 -54.49702 c q&pdf: content Q 111.45537 54.49702 l qLpdf: content Q 111.45537 56.70872 109.68196 58.48213 107.47026 58.48213 c qpdf: content Q h q(pdf: content Q -111.45537 -58.48213 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q 2 6 & 2 -T{ax^2S+8bx+1=0 0y +Ŏ T{  2 @ 1铸<$vb33wfeI0 (֍a  2 <    2  1鍍<$F1wfeI0 (֍a<$vb33wfeI0 (֍a v=ruЀ qĸ<$33133wfe (֍2fgruЀ!ղ+81=<$K1Kwfe (֍2)<$W133wfeI0 (֍a v=<$33133wfe (֍2 -)a=2;#b=1)a8+b=182=1pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 67.1094 m q%pdf: content Q -97.90599 67.1094 l qIpdf: content Q -100.11769 67.1094 -101.8911 65.336 -101.8911 63.1243 c q&pdf: content Q -101.8911 55.03548 l qMpdf: content Q -101.8911 52.82376 -100.11769 51.05037 -97.90599 51.05037 c q&pdf: content Q -80.30193 51.05037 l qLpdf: content Q -78.09021 51.05037 -76.31682 52.82376 -76.31682 55.03548 c q%pdf: content Q -76.31682 63.1243 l qHpdf: content Q -76.31682 65.336 -78.09021 67.1094 -80.30193 67.1094 c qpdf: content Q h q&pdf: content Q -101.8911 51.05037 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 55.5384 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32jV8 color popJ1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>΍D kRXh 2v 6ѓ &Ґu 2 -ȵx^2&+ax+b3=40 2 @v <$33333wfe (֍4fg;<$ܢ1ܢwfe (֍2 2% <  eax^2S+8bx+1=0T{ 2   2 @ 1  @ 0 < "%>Ǯ( & 2T{Ǯ9- 3 3Ǯ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q5ޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q<$,L3,Lwfe (֍2k럪pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 84.15639 m q'pdf: content Q -107.47026 84.15639 l qOpdf: content Q -109.68196 84.15639 -111.45537 82.38298 -111.45537 80.17128 c q(pdf: content Q -111.45537 -80.17128 l qRpdf: content Q -111.45537 -82.38298 -109.68196 -84.15639 -107.47026 -84.15639 c q'pdf: content Q 107.47026 -84.15639 l qOpdf: content Q 109.68196 -84.15639 111.45537 -82.38298 111.45537 -80.17128 c q&pdf: content Q 111.45537 80.17128 l qLpdf: content Q 111.45537 82.38298 109.68196 84.15639 107.47026 84.15639 c qpdf: content Q h q(pdf: content Q -111.45537 -84.15639 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qOs  T{ m , 2  m # () ;َa=<$33333wfe (֍4 G+<$l1lwfe (֍2;#a=<$K1Kwfe (֍4b=<$33333wfe (֍4 G<$l1lwfe (֍2 f_=<$33333wfe (֍8ax^2S+8bx+1=0T{ 0ya=<$K1Kwfe (֍4 -;#b=<$33333wfe (֍8  2. @ %<$33133wfe (֍4fgx^2S<$l3lwfe (֍8 Gx8+1=0  "% +ŖT{   2 @ 1铸=33<$3wfe (֍833ufe-hҍ<$1Ÿwfe (֍4[=<$K3Kwfe (֍2 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 92.78366 m q&pdf: content Q -97.90599 92.78366 l qMpdf: content Q -100.11769 92.78366 -101.8911 91.01025 -101.8911 88.79855 c q&pdf: content Q -101.8911 80.70973 l qMpdf: content Q -101.8911 78.49802 -100.11769 76.72462 -97.90599 76.72462 c q&pdf: content Q -80.30193 76.72462 l qLpdf: content Q -78.09021 76.72462 -76.31682 78.49802 -76.31682 80.70973 c q&pdf: content Q -76.31682 88.79855 l qLpdf: content Q -76.31682 91.01025 -78.09021 92.78366 -80.30193 92.78366 c qpdf: content Q h q&pdf: content Q -101.8911 76.72462 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 81.21268 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q]+D kkXZs 2 6ѐ &ғ 2 -x^2'+K(kK+1)x+1=0 2 3  1  4q  2ek 2G?  2 2 6ј &ғ 2 -G?x^2Բ+baxa+b=0 2   2% <  ea8+bT{ 2  1 _Ǯ( & 2Ǯ9- 3 3Ǯ)}򍍍* ׎ 3+ ؎:3Y m َh n25 ڎ5ز1_A ێ_Bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q_B1G⍍k럨bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 86.69067 m q'pdf: content Q -107.47026 86.69067 l qOpdf: content Q -109.68196 86.69067 -111.45537 84.91727 -111.45537 82.70557 c q(pdf: content Q -111.45537 -82.70557 l qRpdf: content Q -111.45537 -84.91727 -109.68196 -86.69067 -107.47026 -86.69067 c q'pdf: content Q 107.47026 -86.69067 l qOpdf: content Q 109.68196 -86.69067 111.45537 -84.91727 111.45537 -82.70557 c q&pdf: content Q 111.45537 82.70557 l qLpdf: content Q 111.45537 84.91727 109.68196 86.69067 107.47026 86.69067 c qpdf: content Q h q(pdf: content Q -111.45537 -86.69067 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q@x^2+(k*+1)x+1=0EQ 2a 3" ! 1  4i! "͓ %a(k*+1)^2S8411=0kP^2+82kw3=0(kw81)(k+3)=0)k=3T{  =k=13;130 2T{x^2S+8ax+b=0 2T{   2 &i #a=38+1=2;#a=2b=381=3;#b=3)a8+b=2+(3)=1pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 95.31795 m q&pdf: content Q -97.90599 95.31795 l qMpdf: content Q -100.11769 95.31795 -101.8911 93.54454 -101.8911 91.33284 c q&pdf: content Q -101.8911 83.24402 l qMpdf: content Q -101.8911 81.03232 -100.11769 79.25891 -97.90599 79.25891 c q&pdf: content Q -80.30193 79.25891 l qLpdf: content Q -78.09021 79.25891 -76.31682 81.03232 -76.31682 83.24402 c q&pdf: content Q -76.31682 91.33284 l qLpdf: content Q -76.31682 93.54454 -78.09021 95.31795 -80.30193 95.31795 c qpdf: content Q h q&pdf: content Q -101.8911 79.25891 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 83.74696 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>+ՆD kjX 2}3 6ѓ &Ґ}4 2 -f3x^2 l+Eax+6b = 0 2 @}3 4z}4 @ 2'?Ѐ#V.2PpUWPfeE38+83;#c?Ѐ] 2%tU <  tabctT 2 " 1 uļU <  atUǮ-b =' 1 $U ,V}jNǮ( & 2T{Ǯ9- 3 3Ǯ)*卍7 |n ׎/|o88+4PpUWPfeE2ku ؎zv168+2PpUWPfeE3| َ}168+3PpUWPfeE3捍 |n ڎ%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|o248+2PpUWPfeE3ku ێzv248+3PpUWPfeE24ë6pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 59.50882 m q'pdf: content Q -107.47026 59.50882 l qOpdf: content Q -109.68196 59.50882 -111.45537 57.73541 -111.45537 55.52371 c q(pdf: content Q -111.45537 -55.52371 l qRpdf: content Q -111.45537 -57.73541 -109.68196 -59.50882 -107.47026 -59.50882 c q'pdf: content Q 107.47026 -59.50882 l qOpdf: content Q 109.68196 -59.50882 111.45537 -57.73541 111.45537 -55.52371 c q&pdf: content Q 111.45537 55.52371 l qLpdf: content Q 111.45537 57.73541 109.68196 59.50882 107.47026 59.50882 c qpdf: content Q h q(pdf: content Q -111.45537 -59.50882 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qH  T{ m , 2  m 0y +œc=2PpUWPfeE38+83<$33a33wfeI0 (֍$3 v=(2PpUWPfeE38+83)+(2PpUWPfeE3+3)=6T{Ǯ-a=18<$336b33wfe J (֍%U3x)=(2PpUWPfeE38+83)(2PpUWPfeE3+3)=3T{Ǯ-b=<$33333wfe (֍2)pabIc=(18)ruЀ E<$33333wfe (֍2fgruЀ#(2PpUWPfeE3+3)*=j278+2PpUWPfeE383T{=24+2PpUWPfeE3pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 68.1361 m q%pdf: content Q -97.90599 68.1361 l qLpdf: content Q -100.11769 68.1361 -101.8911 66.36269 -101.8911 64.15099 c q&pdf: content Q -101.8911 56.06216 l qMpdf: content Q -101.8911 53.85046 -100.11769 52.07706 -97.90599 52.07706 c q&pdf: content Q -80.30193 52.07706 l qLpdf: content Q -78.09021 52.07706 -76.31682 53.85046 -76.31682 56.06216 c q&pdf: content Q -76.31682 64.15099 l qJpdf: content Q -76.31682 66.36269 -78.09021 68.1361 -80.30193 68.1361 c qpdf: content Q h q&pdf: content Q -101.8911 52.07706 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 56.56511 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32jVe color pop1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>+D k9Xex^2M 2C m , 1: 2! 2 6ѓ &ғ 2 - 1DA;>BK  +U "5 2 ?! =e <  A#e = 2%5 6ѓ @ 2 m6 , $% 2A %d ' 3#e  6 =8 1 @5 #e 0d 0q <   BɆ = +j , @ 1 2A %d '  3  = 5I $% @ #e 0d٭ 0q <  2 <   1y "A 3 0] 4m 2 6ѓ &ғ 2 -ٮ 2 0Փ & $! @ = 4üǮ( & 2T{Ǯ8- 3 +jǮ)PuЇ^ ׎ x=2T{  =x=5捍 ؎ x=3T{  =x=5 َ x=4T{  =x=6 ڎpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q x=4T{  =x=6 ێ x=3T{  =x=8k럱pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 77.56343 m q'pdf: content Q -107.47026 77.56343 l qOpdf: content Q -109.68196 77.56343 -111.45537 75.79004 -111.45537 73.57832 c q(pdf: content Q -111.45537 -73.57832 l qRpdf: content Q -111.45537 -75.79004 -109.68196 -77.56343 -107.47026 -77.56343 c q'pdf: content Q 107.47026 -77.56343 l qOpdf: content Q 109.68196 -77.56343 111.45537 -75.79004 111.45537 -73.57832 c q&pdf: content Q 111.45537 73.57832 l qLpdf: content Q 111.45537 75.79004 109.68196 77.56343 107.47026 77.56343 c qpdf: content Q h q(pdf: content Q -111.45537 -77.56343 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q퍍  @ =T{ 2 6 & 2 - 1퓵x^2S+8bx+c=030 2 "%T{ @ < 29A30 =T{ 2% 6 @ 2 m , $% 2A %d ' 1 &i #c=(3)88=24B =T{ +j , @ 1 2A %d ' 0 1 &i #b=38+(5)=2Ǯ-T{b=2 ٕ "% < + > 7A 1>{ - 1>zx^2F+ 2x Ӹ24=0Ǯ-(x Ը Ӳ4)(x+6)=0)x=4T{  =x=6pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 86.1907 m q%pdf: content Q -97.90599 86.1907 l qKpdf: content Q -100.11769 86.1907 -101.8911 84.41731 -101.8911 82.2056 c q&pdf: content Q -101.8911 74.11678 l qMpdf: content Q -101.8911 71.90508 -100.11769 70.13167 -97.90599 70.13167 c q&pdf: content Q -80.30193 70.13167 l qLpdf: content Q -78.09021 70.13167 -76.31682 71.90508 -76.31682 74.11678 c q%pdf: content Q -76.31682 82.2056 l qJpdf: content Q -76.31682 84.41731 -78.09021 86.1907 -80.30193 86.1907 c qpdf: content Q h q&pdf: content Q -101.8911 70.13167 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 74.61972 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QY+D k8Xl 2{ 6ѓ &ғ 2z -`Ͳ2x^2+A(aA1)x+24ۤ=ۥ0` 2`  { 2 %Q e 0:$ ,% 2 <   @  2  $! @ $ 23 &٘ 2% <   +j ,a 2e  1T{  @ 0 < "%bǮ( & 2Ǯ8- 3 +jǮ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q4ޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U15OkЦpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 46.57375 m q'pdf: content Q -107.47026 46.57375 l qOpdf: content Q -109.68196 46.57375 -111.45537 44.80034 -111.45537 42.58864 c q(pdf: content Q -111.45537 -42.58864 l qRpdf: content Q -111.45537 -44.80034 -109.68196 -46.57375 -107.47026 -46.57375 c q'pdf: content Q 107.47026 -46.57375 l qOpdf: content Q 109.68196 -46.57375 111.45537 -44.80034 111.45537 -42.58864 c q&pdf: content Q 111.45537 42.58864 l qLpdf: content Q 111.45537 44.80034 109.68196 46.57375 107.47026 46.57375 c qpdf: content Q h q(pdf: content Q -111.45537 -46.57375 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q T{  1퓵 z;#3 ] # < 1 % BZ83 В=<$K24Kwfe  (֍2) =2T{U) >0T{V BZ+83 В=<$33a133wfe (֍2=8a=15pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 55.20102 m q&pdf: content Q -97.90599 55.20102 l qMpdf: content Q -100.11769 55.20102 -101.8911 53.42761 -101.8911 51.21591 c q&pdf: content Q -101.8911 43.12709 l qMpdf: content Q -101.8911 40.91539 -100.11769 39.14198 -97.90599 39.14198 c q&pdf: content Q -80.30193 39.14198 l qLpdf: content Q -78.09021 39.14198 -76.31682 40.91539 -76.31682 43.12709 c q&pdf: content Q -76.31682 51.21591 l qLpdf: content Q -76.31682 53.42761 -78.09021 55.20102 -80.30193 55.20102 c qpdf: content Q h q&pdf: content Q -101.8911 39.14198 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 43.63004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color popcolor push gray 0Ήן32jVd color popc;,m5ffS[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-regular.otf]4H NanumGothicBoldNanumGothicBold& msam10%p  yhcmex10"  NanumMyeongjoNanumMyeongjoRegular! P[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-bold.otf] S[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman10-regular.otf] !", cmsy10 b> cmmi10K`y cmr10ٓRcmr7