; XeTeX output 2010.07.16:15371pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdq4H NanumGothicBoldNanumGothicBoldc c   !c  c  c  c >fi׎ color pop*>.! P[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-bold.otf] RXe"  NanumMyeongjoNanumMyeongjoRegular  1T{ 3 2 6 & 2 - 2! , 1 &4 S[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman10-regular.otf]Ǯ( & 2Ǯk- @ 3Ǯ)UuЇ^ ׎ b> cmmi10x^ٓRcmr72SK`y cmr10+82x+1=x^2 !", cmsy1081捍 ؎ x^2S+83=(x1)^2 َ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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q (x81)(x+2)=4x ڎ x^3S8x^2+2x=0 ێ 2x85=0pLƍkjpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 27.87975 m q'pdf: content Q -107.47026 27.87975 l qOpdf: content Q -109.68196 27.87975 -111.45537 26.10635 -111.45537 23.89464 c q(pdf: content Q -111.45537 -23.89464 l qRpdf: content Q -111.45537 -26.10635 -109.68196 -27.87975 -107.47026 -27.87975 c q'pdf: content Q 107.47026 -27.87975 l qOpdf: content Q 109.68196 -27.87975 111.45537 -26.10635 111.45537 -23.89464 c q&pdf: content Q 111.45537 23.89464 l qLpdf: content Q 111.45537 26.10635 109.68196 27.87975 107.47026 27.87975 c qpdf: content Q h q(pdf: content Q -111.45537 -27.87975 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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^2S83x2=0 ڎ 3T{ 6 & 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 36.50702 m q&pdf: content Q -97.90599 36.50702 l qMpdf: content Q -100.11769 36.50702 -101.8911 34.73363 -101.8911 32.52191 c q%pdf: content Q -101.8911 24.4331 l qIpdf: content Q -101.8911 22.22139 -100.11769 20.448 -97.90599 20.448 c q$pdf: content Q -80.30193 20.448 l qIpdf: content Q -78.09021 20.448 -76.31682 22.22139 -76.31682 24.4331 c q&pdf: content Q -76.31682 32.52191 l qLpdf: content Q -76.31682 34.73363 -78.09021 36.50702 -80.30193 36.50702 c qpdf: content Q h q$pdf: content Q -101.8911 20.448 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 24.93604 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 QI󍍍. kXh  1 1Z 2 6ј &ғ 2 - 2Z @ $%  @ , 2 < Z 0ܘ 4i %d @œfe ,e 1 Ǯ( & 2T{Ǯk- @ 3Ǯ)UuЇ^ ׎ x^2S84x+1=0;#x=28Pp 7PfeE3捍 ؎ 3x^2S+87x5=0;#x=<$K78Pp 7PfeE109Kwfe0UW (֍6 َ 4x^2S85x3=0;#x=<$K58Pp 7Pfe E73Kwfe#8 (֍G8 ڎ 3x^2S+82x4=0;#x=<$K18Pp 7Pfe E13Kwfe+UV (֍*3 ێpdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q 3x^2S86x+2=0;#x=<$K68Pp 7PfeE3Kwfe7 (֍ 6ȕ`IV\k 8pdf: 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 26.25026 m q'pdf: content Q -107.47026 26.25026 l qOpdf: content Q -109.68196 26.25026 -111.45537 24.47687 -111.45537 22.26515 c q(pdf: content Q -111.45537 -22.26515 l qRpdf: content Q -111.45537 -24.47687 -109.68196 -26.25026 -107.47026 -26.25026 c q'pdf: content Q 107.47026 -26.25026 l qOpdf: content Q 109.68196 -26.25026 111.45537 -24.47687 111.45537 -22.26515 c q&pdf: content Q 111.45537 22.26515 l qLpdf: content Q 111.45537 24.47687 109.68196 26.25026 107.47026 26.25026 c qpdf: content Q h q(pdf: content Q -111.45537 -26.25026 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q& ێ x=<$K38Pp 7PfeE3Kwfe7 (֍ 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 34.87755 m q&pdf: content Q -97.90599 34.87755 l qMpdf: content Q -100.11769 34.87755 -101.8911 33.10414 -101.8911 30.89244 c q&pdf: content Q -101.8911 22.80362 l qLpdf: content Q -101.8911 20.5919 -100.11769 18.81851 -97.90599 18.81851 c q&pdf: content Q -80.30193 18.81851 l qKpdf: content Q -78.09021 18.81851 -76.31682 20.5919 -76.31682 22.80362 c q&pdf: content Q -76.31682 30.89244 l qLpdf: content Q -76.31682 33.10414 -78.09021 34.87755 -80.30193 34.87755 c qpdf: content Q h q&pdf: content Q -101.8911 18.81851 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 23.30655 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QHcolor push gray 0ff color pop*>.L jX#3 2} 6њ~ &ғ 2 -(x=4)^2C=2(x+6) 2  } 1혵 z;_  "%~ ' @  <  =p :feo3荵 +Ys4p Hs4fe/̍ Ä 2  1  @ 0 < "%:EǮ( & 2T{Ǯk- @ 3Ǯ)3⍍1s3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQ3uepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QMPpUmEPfe E14wqm򍍍bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 64.77151 m q'pdf: content Q -107.47026 64.77151 l qNpdf: content Q -109.68196 64.77151 -111.45537 62.99812 -111.45537 60.7864 c q'pdf: content Q -111.45537 -60.7864 l qRpdf: content Q -111.45537 -62.99812 -109.68196 -64.77151 -107.47026 -64.77151 c q'pdf: content Q 107.47026 -64.77151 l qNpdf: content Q 109.68196 -64.77151 111.45537 -62.99812 111.45537 -60.7864 c q%pdf: content Q 111.45537 60.7864 l qLpdf: content Q 111.45537 62.99812 109.68196 64.77151 107.47026 64.77151 c qpdf: content Q h q(pdf: content Q -111.45537 -64.77151 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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%D3(x84)^2C=2(x+6)3x^2S810x+4=03 BZ+8 N4=10;# z =4;#s4p Tzs4fe 9̍ z ˲=23(pUWfeo3荵 T+8s4p 7s4fe/̍ S)^2C= BZ+8 +2s4pUWs4fe 9̍ z =14EPpUWfeo3荵 >0;#s4p Tzs4fe/̍ J>0T{ 2 &i #& msam10)p ofeo3荵 l+8s4p 7s4fe/̍ k=Pp oPfe E14pdf: 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 73.39879 m q&pdf: content Q -97.90599 73.39879 l qLpdf: content Q -100.11769 73.39879 -101.8911 71.6254 -101.8911 69.41368 c q&pdf: content Q -101.8911 61.32486 l qMpdf: content Q -101.8911 59.11316 -100.11769 57.33975 -97.90599 57.33975 c q&pdf: content Q -80.30193 57.33975 l qLpdf: content Q -78.09021 57.33975 -76.31682 59.11316 -76.31682 61.32486 c q&pdf: content Q -76.31682 69.41368 l qKpdf: content Q -76.31682 71.6254 -78.09021 73.39879 -80.30193 73.39879 c qpdf: content Q h q&pdf: content Q -101.8911 57.33975 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 61.8278 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QYSL 9XWG 2 x 6ѓ &Ґ w 2 -H2x^2mv4xmu+1J=0G 2   x 1혵pǮ-\q "% @ ' <  7p^24+pq+q[ٟ^2s 2& i 1 h @ 0 < "%iǮ( & 2T{Ǯk- @ 3Ǯ)3⍍1s3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Qj3uepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q<$NK!7NK!wfe (֍2zNȍ/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 58.99591 m q'pdf: content Q -107.47026 58.99591 l qMpdf: content Q -109.68196 58.99591 -111.45537 57.2225 -111.45537 55.0108 c q'pdf: content Q -111.45537 -55.0108 l qQpdf: content Q -111.45537 -57.2225 -109.68196 -58.99591 -107.47026 -58.99591 c q'pdf: content Q 107.47026 -58.99591 l qMpdf: content Q 109.68196 -58.99591 111.45537 -57.2225 111.45537 -55.0108 c q%pdf: content Q 111.45537 55.0108 l qKpdf: content Q 111.45537 57.2225 109.68196 58.99591 107.47026 58.99591 c qpdf: content Q h q(pdf: content Q -111.45537 -58.99591 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qِ2x^2S84x+1=0T{ 2   2pǮ-qT "% %'jp8+q"=2T{Ǯ-pq=<$K1Kwfe (֍2 Ǯ-)Pp^2mӲ+apqM9+q[ٟ^2 l=Y(p+`q[ٲ)^2mԸpq2=Z2^2<$$1$wfe (֍2!=48<$l1lwfe (֍2 f_=<$K7Kwfe (֍2pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 67.62318 m q&pdf: content Q -97.90599 67.62318 l qMpdf: content Q -100.11769 67.62318 -101.8911 65.84978 -101.8911 63.63808 c q&pdf: content Q -101.8911 55.54926 l qMpdf: content Q -101.8911 53.33755 -100.11769 51.56415 -97.90599 51.56415 c q&pdf: content Q -80.30193 51.56415 l qLpdf: content Q -78.09021 51.56415 -76.31682 53.33755 -76.31682 55.54926 c q&pdf: content Q -76.31682 63.63808 l qLpdf: content Q -76.31682 65.84978 -78.09021 67.62318 -80.30193 67.62318 c qpdf: content Q h q&pdf: content Q -101.8911 51.56415 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 56.0522 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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*>. 8XY\ w # 2  2 kyT{K Ǯ- + # 2  2 RyT{K  2! 4jx +U  @e %Q 0: 2 @  0y  1  $e  “ 2 > 2xT{K # 2% 2 @e  1r $u  0q  q  1r 2œ 1! @ @  2  2 R99p+T{K^#R[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman7-regular.otf]ke T{  0q <  2  2 > 1  @ 0 < "%kËcolor push gray 0 color pop!Ëx:gsavex:scale 0.333 0.333O/DBR_NFS/DBR_Repository/logoDirectory/auxiliary/1/167/117/11171877873105016.png x:grestore>Ǯ( & 2T{Ǯk- @ 3Ǯ)ظ1sޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQޟepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q.2¼T{K+[k럹 pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 70.09666 m q'pdf: content Q -107.47026 70.09666 l qOpdf: content Q -109.68196 70.09666 -111.45537 68.32326 -111.45537 66.11156 c q(pdf: content Q -111.45537 -66.11156 l qRpdf: content Q -111.45537 -68.32326 -109.68196 -70.09666 -107.47026 -70.09666 c q'pdf: content Q 107.47026 -70.09666 l qOpdf: content Q 109.68196 -70.09666 111.45537 -68.32326 111.45537 -66.11156 c q&pdf: content Q 111.45537 66.11156 l qLpdf: content Q 111.45537 68.32326 109.68196 70.09666 107.47026 70.09666 c qpdf: content Q h q(pdf: content Q -111.45537 -70.09666 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 ql0} m # 2% > 1혵xT{K$ "%% @ % m # $% 2Ř 1! @ A $ 4i ()E (- 2  2 =  # 2  2 (20vx)T{K Ǯ- +E # 2  2 (10x)T{K 2! 4j +U  @ 2  2 0 “ 1 &i #(208x)(10x)=144x^2S830x+56=0(x82)(x28)=0)x=2T{U <  0\;ލۚwpdf: 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 35.66335 m q'pdf: content Q -107.47026 35.66335 l qOpdf: content Q -109.68196 35.66335 -111.45537 33.88994 -111.45537 31.67824 c q(pdf: content Q -111.45537 -31.67824 l qRpdf: content Q -111.45537 -33.88994 -109.68196 -35.66335 -107.47026 -35.66335 c q'pdf: content Q 107.47026 -35.66335 l qOpdf: content Q 109.68196 -35.66335 111.45537 -33.88994 111.45537 -31.67824 c q&pdf: content Q 111.45537 31.67824 l qLpdf: content Q 111.45537 33.88994 109.68196 35.66335 107.47026 35.66335 c qpdf: content Q h q(pdf: content Q -111.45537 -35.66335 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 6ѐ &ғ 2 -x^2#u+2xa=0 0yx=5 $%  2. @ %25810a=0)a=15pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 44.29062 m q&pdf: content Q -97.90599 44.29062 l qMpdf: content Q -100.11769 44.29062 -101.8911 42.51723 -101.8911 40.30551 c q&pdf: content Q -101.8911 32.21669 l qMpdf: content Q -101.8911 30.00499 -100.11769 28.23158 -97.90599 28.23158 c q&pdf: content Q -80.30193 28.23158 l qLpdf: content Q -78.09021 28.23158 -76.31682 30.00499 -76.31682 32.21669 c q&pdf: content Q -76.31682 40.30551 l qLpdf: content Q -76.31682 42.51723 -78.09021 44.29062 -80.30193 44.29062 c qpdf: content Q h q&pdf: content Q -101.8911 28.23158 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 32.71964 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 VL dXEt  &ҕ 2 -x^2Y4xY12 =0Ǯ-x^2Y6xY+p = 0 1 ' - 0y $u 3 @ = @  21 1 <  p 2  1 U <  p&6='0'VǮ( & 2T{Ǯj- @ +jǮ)/卍7 |n ׎/|o4ku ؎pvpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Qzv16| َ}16捍 |n ڎ/|o8ku ێzv8Ifȳpdf: 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 78.32332 m q'pdf: content Q -107.47026 78.32332 l qOpdf: content Q -109.68196 78.32332 -111.45537 76.54993 -111.45537 74.33821 c q(pdf: content Q -111.45537 -74.33821 l qRpdf: content Q -111.45537 -76.54993 -109.68196 -78.32332 -107.47026 -78.32332 c q'pdf: content Q 107.47026 -78.32332 l qOpdf: content Q 109.68196 -78.32332 111.45537 -76.54993 111.45537 -74.33821 c q&pdf: content Q 111.45537 74.33821 l qLpdf: content Q 111.45537 76.54993 109.68196 78.32332 107.47026 78.32332 c qpdf: content Q h q(pdf: content Q -111.45537 -78.32332 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^2S84x12=0(x86)(x+2)=0x=2;6RVT{x=2 x^2S86x+p=0 2 @ 2% <  48+12+p=0)p=16kVT{x=6 2x^2S86x+p=0 2 @ 2% <  36836+p=0)p=0  "% +śT{p6=0 2 &i #p=(16)=16 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 86.95059 m q&pdf: content Q -97.90599 86.95059 l qLpdf: content Q -100.11769 86.95059 -101.8911 85.1772 -101.8911 82.96548 c q&pdf: content Q -101.8911 74.87666 l qMpdf: content Q -101.8911 72.66496 -100.11769 70.89156 -97.90599 70.89156 c q&pdf: content Q -80.30193 70.89156 l qLpdf: content Q -78.09021 70.89156 -76.31682 72.66496 -76.31682 74.87666 c q&pdf: content Q -76.31682 82.96548 l qKpdf: content Q -76.31682 85.1772 -78.09021 86.95059 -80.30193 86.95059 c qpdf: content Q h q&pdf: content Q -101.8911 70.89156 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 75.37961 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q.L 3X9 2m 6ѓ &ғ 2 -p(xKK1)^2s=x3 1혵ax^2[+bxK+c=0 2' ݕ~ #F A ;i eF <  Fa b +c 2F ~ 1  @ % FU <  Fa>0'VǮ( & 2T{Ǯj- @ +jǮ)#}򍍍* |n ׎/|o4M ؎\ٲ6zB َCpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QC8 ڎ10" ێ"12color push gray 0Ήן32jVk color popPf1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>Mkpdf: 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 28.33495 m q'pdf: content Q -107.47026 28.33495 l qOpdf: content Q -109.68196 28.33495 -111.45537 26.56154 -111.45537 24.34984 c q(pdf: content Q -111.45537 -24.34984 l qRpdf: content Q -111.45537 -26.56154 -109.68196 -28.33495 -107.47026 -28.33495 c q'pdf: content Q 107.47026 -28.33495 l qOpdf: content Q 109.68196 -28.33495 111.45537 -26.56154 111.45537 -24.34984 c q&pdf: content Q 111.45537 24.34984 l qLpdf: content Q 111.45537 26.56154 109.68196 28.33495 107.47026 28.33495 c qpdf: content Q h q(pdf: content Q -111.45537 -28.33495 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qW$ 3 0] 4mT{ - 1 2  @  2 $U @ %x^2S83x+4=0)a=1;b=3;c=4T{Ǯ-  "% +œa8b+c=8pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 36.96222 m q&pdf: content Q -97.90599 36.96222 l qMpdf: content Q -100.11769 36.96222 -101.8911 35.18881 -101.8911 32.97711 c q&pdf: content Q -101.8911 24.88829 l qMpdf: content Q -101.8911 22.67659 -100.11769 20.90318 -97.90599 20.90318 c q&pdf: content Q -80.30193 20.90318 l qLpdf: content Q -78.09021 20.90318 -76.31682 22.67659 -76.31682 24.88829 c q&pdf: content Q -76.31682 32.97711 l qLpdf: content Q -76.31682 35.18881 -78.09021 36.96222 -80.30193 36.96222 c qpdf: content Q h q&pdf: content Q -101.8911 20.90318 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 25.39124 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Q3ፍ. NXoe 2 6 & 2 -T{2x^2S+<$l4lwfe (֍3 Gx8+2=0 1 ?) % $ 4üǮ( & 2T{Ǯj- @ +jǮ)UuЇ^ ׎ x=3T{  =x=2捍 ؎ x=<$K18Pp 7Pfe E10Kwfe#8 (֍G6 َ x=<$K18Pp 7Pfe E10Kwfe+UV (֍*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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q x=<$K18Pp 7Pfe E10Kwfe#8 (֍G3 ێ x=<$K18Pp 7Pfe E10Kwfe+UV (֍*3<khpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 19.65309 m q'pdf: content Q -107.47026 19.65309 l qNpdf: content Q -109.68196 19.65309 -111.45537 17.8797 -111.45537 15.66798 c q(pdf: content Q -111.45537 -15.66798 l qQpdf: content Q -111.45537 -17.8797 -109.68196 -19.65309 -107.47026 -19.65309 c q'pdf: content Q 107.47026 -19.65309 l qNpdf: content Q 109.68196 -19.65309 111.45537 -17.8797 111.45537 -15.66798 c q&pdf: content Q 111.45537 15.66798 l qKpdf: content Q 111.45537 17.8797 109.68196 19.65309 107.47026 19.65309 c qpdf: content Q h q(pdf: content Q -111.45537 -19.65309 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 0: 'i 0yT{330 1  @ Am  2  - 1 2 1R @ < 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 28.28036 m q&pdf: content Q -97.90599 28.28036 l qMpdf: content Q -100.11769 28.28036 -101.8911 26.50697 -101.8911 24.29526 c q&pdf: content Q -101.8911 16.20644 l qMpdf: content Q -101.8911 13.99474 -100.11769 12.22133 -97.90599 12.22133 c q&pdf: content Q -80.30193 12.22133 l qLpdf: content Q -78.09021 12.22133 -76.31682 13.99474 -76.31682 16.20644 c q&pdf: content Q -76.31682 24.29526 l qLpdf: content Q -76.31682 26.50697 -78.09021 28.28036 -80.30193 28.28036 c qpdf: content Q h q&pdf: content Q -101.8911 12.22133 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 16.70938 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q).D RyXf H 1V 2 6ѓ &ғ 2 - 2   1혵 z;  "% @ V <  C:p 2 e 1 T{U <  В> V*ǭi5V)pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0 G qpdf: content Q q qpdf: content Q 0 G q;pdf: content Q -109.20525 -13.88809 218.41049 27.7762 re qpdf: content Q S qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -101.235 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qQ썲(x83)^2S4(x3)=5pdf: 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 Q4üǮ( & 2T{Ǯj- @ +jǮ)#}򍍍* ׎ 2+ ؎:4Y m َ^ npdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qh n65 ڎ5ز8_A ێ_B10Hcolor push gray 0ff color pop*>}pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 53.22594 m q'pdf: content Q -107.47026 53.22594 l qOpdf: content Q -109.68196 53.22594 -111.45537 51.45253 -111.45537 49.24083 c q(pdf: content Q -111.45537 -49.24083 l qRpdf: content Q -111.45537 -51.45253 -109.68196 -53.22594 -107.47026 -53.22594 c q'pdf: content Q 107.47026 -53.22594 l qOpdf: content Q 109.68196 -53.22594 111.45537 -51.45253 111.45537 -49.24083 c q&pdf: content Q 111.45537 49.24083 l qLpdf: content Q 111.45537 51.45253 109.68196 53.22594 107.47026 53.22594 c qpdf: content Q h q(pdf: content Q -111.45537 -53.22594 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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[color push gray 0fdfi׎ color pop*> k럃(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 123.77872 m q(pdf: content Q -107.47026 123.77872 l qRpdf: content Q -109.68196 123.77872 -111.45537 122.00531 -111.45537 119.79361 c q)pdf: content Q -111.45537 -119.79361 l qUpdf: content Q -111.45537 -122.00531 -109.68196 -123.77872 -107.47026 -123.77872 c q(pdf: content Q 107.47026 -123.77872 l qRpdf: content Q 109.68196 -123.77872 111.45537 -122.00531 111.45537 -119.79361 c q'pdf: content Q 111.45537 119.79361 l qOpdf: content Q 111.45537 122.00531 109.68196 123.77872 107.47026 123.77872 c qpdf: content Q h q)pdf: content Q -111.45537 -123.77872 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q: ׎t2x^2ʰ+N=4xN>+2|=0 0y1 +œ2(x^2+N=2x+N>1)|=0;2(x8+1)^2C=0)x=1 ؎ x^2S+810x+25=0T{ 0y +œ(x8+5)^2C=0)x=5 َ 3x^2S87x+2=0T{ 0y +œ(3x81)(x2)=0)x=<$K1Kwfe (֍3  =#ux=2$ ڎ 10(xGG1)=x^2 +11j 0y +œx^2G10xG+21=0;(x83)(x7)=0)x=3T{  =x=7 ێ hs(x__3)^2C=4 0yq +œx^2 6x_+5=0Ǯ-(x_1)(x5)=0)x=1T{  =x=5pdf: 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 132.40599 m q'pdf: content Q -97.90599 132.40599 l qPpdf: content Q -100.11769 132.40599 -101.8911 130.63258 -101.8911 128.42088 c q'pdf: content Q -101.8911 120.33206 l qPpdf: content Q -101.8911 118.12035 -100.11769 116.34695 -97.90599 116.34695 c q'pdf: content Q -80.30193 116.34695 l qOpdf: content Q -78.09021 116.34695 -76.31682 118.12035 -76.31682 120.33206 c q'pdf: content Q -76.31682 128.42088 l qOpdf: content Q -76.31682 130.63258 -78.09021 132.40599 -80.30193 132.40599 c qpdf: content Q h q'pdf: content Q -101.8911 116.34695 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 120.835 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QW͵.D RjXqp 2w 6ѐv &ғ 2 -hx^2+F6xFaP=0 2h 3w  1  4qh <  i 2 6юe & 2 -T{2x^2S+8axa=0 2  1  @ 0 < "%>Ǯ( & 2T{Ǯj- 3 @Ǯ)DQҍ1sޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Q1sޟpdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qjޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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+Ux=<$3wfe (֍2Zޟepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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+Ux=T{3 Ckpdf: 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 62.41277 m q'pdf: content Q -107.47026 62.41277 l qOpdf: content Q -109.68196 62.41277 -111.45537 60.63936 -111.45537 58.42766 c q(pdf: content Q -111.45537 -58.42766 l qRpdf: content Q -111.45537 -60.63936 -109.68196 -62.41277 -107.47026 -62.41277 c q'pdf: content Q 107.47026 -62.41277 l qOpdf: content Q 109.68196 -62.41277 111.45537 -60.63936 111.45537 -58.42766 c q&pdf: content Q 111.45537 58.42766 l qLpdf: content Q 111.45537 60.63936 109.68196 62.41277 107.47026 62.41277 c qpdf: content Q h q(pdf: content Q -111.45537 -62.41277 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q" 3  1T{  4i &i #/<$fDfwfe (֍J4oE=3^2S+8a=0;#a=9Ǎ32x^2S89x+9=03(2x83)(x3)=0;a)x=<$K3Kwfe (֍2  =T{x=3pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 71.04004 m q&pdf: content Q -97.90599 71.04004 l qMpdf: content Q -100.11769 71.04004 -101.8911 69.26663 -101.8911 67.05493 c q&pdf: content Q -101.8911 58.96611 l qIpdf: content Q -101.8911 56.75441 -100.11769 54.981 -97.90599 54.981 c q$pdf: content Q -80.30193 54.981 l qJpdf: content Q -78.09021 54.981 -76.31682 56.75441 -76.31682 58.96611 c q&pdf: content Q -76.31682 67.05493 l qLpdf: content Q -76.31682 69.26663 -78.09021 71.04004 -80.30193 71.04004 c qpdf: content Q h q$pdf: content Q -101.8911 54.981 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 59.46906 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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*>SLD R9X#P 2 6ѓ &Ґ 2 - x^2N@εax7+a=0 2 @  22 2% <  '  $!T{ @  1  @ % BǮ( & 2Ǯj- 3 @Ǯ)#}򍍍* |n ׎/|o3M ؎\ٸ1zB َC1 ڎpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Q3" ێ"5dȍʍpdf: 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 74.32924 m q'pdf: content Q -107.47026 74.32924 l qOpdf: content Q -109.68196 74.32924 -111.45537 72.55585 -111.45537 70.34413 c q(pdf: content Q -111.45537 -70.34413 l qRpdf: content Q -111.45537 -72.55585 -109.68196 -74.32924 -107.47026 -74.32924 c q'pdf: content Q 107.47026 -74.32924 l qOpdf: content Q 109.68196 -74.32924 111.45537 -72.55585 111.45537 -70.34413 c q&pdf: content Q 111.45537 70.34413 l qLpdf: content Q 111.45537 72.55585 109.68196 74.32924 107.47026 74.32924 c qpdf: content Q h q(pdf: content Q -111.45537 -74.32924 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, 3 0] 4mT{ - 0yx  -2 $%  2. @ %3(2)^2S+82a7+a=033a83=03)a=17͍3x^2S8x6=03(x83)(x+2)=03)x=3;#x=2pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 82.95651 m q&pdf: content Q -97.90599 82.95651 l qLpdf: content Q -100.11769 82.95651 -101.8911 81.18312 -101.8911 78.9714 c q%pdf: content Q -101.8911 70.8826 l qMpdf: content Q -101.8911 68.67088 -100.11769 66.89749 -97.90599 66.89749 c q&pdf: content Q -80.30193 66.89749 l qKpdf: content Q -78.09021 66.89749 -76.31682 68.67088 -76.31682 70.8826 c q%pdf: content Q -76.31682 78.9714 l qLpdf: content Q -76.31682 81.18312 -78.09021 82.95651 -80.30193 82.95651 c qpdf: content Q h q&pdf: content Q -101.8911 66.89749 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 71.38553 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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.LD R8X󍍍Nb荍Ax:gsavex:scale 0.1 0.1N/DBR_NFS/DBR_Repository/logoDirectory/auxiliary/1/243/152/7484695493876638.png x:grestore<\  1vv  $e  “ 2  #8T{K'Ǯ-S + #"6T{KE 2!# 4j +U  @ %Q' 0: 2[  0y  ( xT{K ~ 2! Ꭱ' 1= $u  "͓ > @ < d  1 $u'  ` E A $ 4i  2  2 '24T{K^k 2% <  4x 2 " 1 ' @ 0 < "%LǮ( & 2T{Ǯj- 3 @Ǯ)1s3updf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QQ3uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QM2¼T{Ka }－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 52.4519 m q&pdf: content Q -107.47026 52.4519 l qMpdf: content Q -109.68196 52.4519 -111.45537 50.67851 -111.45537 48.4668 c q'pdf: content Q -111.45537 -48.4668 l qPpdf: content Q -111.45537 -50.67851 -109.68196 -52.4519 -107.47026 -52.4519 c q&pdf: content Q 107.47026 -52.4519 l qMpdf: content Q 109.68196 -52.4519 111.45537 -50.67851 111.45537 -48.4668 c q%pdf: content Q 111.45537 48.4668 l qJpdf: content Q 111.45537 50.67851 109.68196 52.4519 107.47026 52.4519 c qpdf: content Q h q'pdf: content Q -111.45537 -52.4519 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qZ (88x)(6x)=24x^2S814x+24=0(x82)(x12)=0x=2T{  =x=120color push gray 0fdfi׎ color pop*>.D ReX/ 2( 6ѐ( &ғ 2 -x^2+-5x.1X=Y0 2  ( 1혵 Ǯ-p -6 "%e @ 莵 *1Ǯ-賵 "̸1 1   1 # @ = 2 6ѓ &ғ 2 - 1펡ex^2S+8mx+n=0T{ 2 "% @ <  mn 1  @ 0 < "%>Ǯ( & 2T{Ǯj- 3 @Ǯ)T1sޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQޟepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U35Mk럱pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 77.14833 m q'pdf: content Q -107.47026 77.14833 l qOpdf: content Q -109.68196 77.14833 -111.45537 75.37492 -111.45537 73.16322 c q(pdf: content Q -111.45537 -73.16322 l qRpdf: content Q -111.45537 -75.37492 -109.68196 -77.14833 -107.47026 -77.14833 c q'pdf: content Q 107.47026 -77.14833 l qOpdf: content Q 109.68196 -77.14833 111.45537 -75.37492 111.45537 -73.16322 c q&pdf: content Q 111.45537 73.16322 l qLpdf: content Q 111.45537 75.37492 109.68196 77.14833 107.47026 77.14833 c qpdf: content Q h q(pdf: content Q -111.45537 -77.14833 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qX8x^2D+:5x:Ѹ1=0U 2U   2 _-Ǯ-U  2 &i # DL+:ѵ N4=5Ǯ-T{ z N4=1Ǯ- BZ81T{Ǯ- 1 1   1 # @ = 2 6 & 2 - 1鎡x^2S8( BZ+ 2)x+( z BZ +1)=0T{Ǯ-x^2S8(52)x+(1+5+1)=0T{Ǯ-x^2S+87x+5=0T{Ǯ-m=7T{Ǯ-n=5T{Ǯ-)mn=35pdf: 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 85.7756 m q%pdf: content Q -97.90599 85.7756 l qJpdf: content Q -100.11769 85.7756 -101.8911 84.0022 -101.8911 81.7905 c q&pdf: content Q -101.8911 73.70168 l qMpdf: content Q -101.8911 71.48997 -100.11769 69.71657 -97.90599 69.71657 c q&pdf: content Q -80.30193 69.71657 l qLpdf: content Q -78.09021 69.71657 -76.31682 71.48997 -76.31682 73.70168 c q%pdf: content Q -76.31682 81.7905 l qIpdf: content Q -76.31682 84.0022 -78.09021 85.7756 -80.30193 85.7756 c qpdf: content Q h q&pdf: content Q -101.8911 69.71657 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 74.20462 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q1VD RdXK 2 6ѓ &ғ 2 -x^2ٸZg6xZf+m3=0 2 3  1  4q <  e +j ,T{m 2  1  @ 0 < "%2Ǯ( & 2Ǯj- 3 @Ǯ)3⍍1sޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQޟepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U12wqmG6k+pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 25.13501 m q'pdf: content Q -107.47026 25.13501 l qMpdf: content Q -109.68196 25.13501 -111.45537 23.3616 -111.45537 21.1499 c q'pdf: content Q -111.45537 -21.1499 l qQpdf: content Q -111.45537 -23.3616 -109.68196 -25.13501 -107.47026 -25.13501 c q'pdf: content Q 107.47026 -25.13501 l qMpdf: content Q 109.68196 -25.13501 111.45537 -23.3616 111.45537 -21.1499 c q%pdf: content Q 111.45537 21.1499 l qKpdf: content Q 111.45537 23.3616 109.68196 25.13501 107.47026 25.13501 c qpdf: content Q h q(pdf: content Q -111.45537 -25.13501 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qޓ<$33D33wfe (֍J4 =98(m3)=0)m=12pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 33.76228 m q&pdf: content Q -97.90599 33.76228 l qMpdf: content Q -100.11769 33.76228 -101.8911 31.98888 -101.8911 29.77718 c q&pdf: content Q -101.8911 21.68835 l qMpdf: content Q -101.8911 19.47664 -100.11769 17.70325 -97.90599 17.70325 c q&pdf: content Q -80.30193 17.70325 l qLpdf: content Q -78.09021 17.70325 -76.31682 19.47664 -76.31682 21.68835 c q&pdf: content Q -76.31682 29.77718 l qLpdf: content Q -76.31682 31.98888 -78.09021 33.76228 -80.30193 33.76228 c qpdf: content Q h q&pdf: content Q -101.8911 17.70325 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 22.1913 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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*>.LD R3X'  1S 3 0y +őSx=03 x=23 $% %Q S @ #  4i =S 2 6ю' & 2 - 1 r%Ǯ( & 2T{Ǯ9- 3 3Ǯ)UuЇ^ |n ׎/|ox(7x8+2)#(=0捍 |n ؎%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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/|ox(7x82)#(=0 |n َ/|o(3_x81)O0(Sx8+2)q\a=0 |n ڎ/|o(3_x82)N32Uw=0 |n ێ/|ox^2C=0ȕ`LlW0pdf: 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 27.95496 m q'pdf: content Q -107.47026 27.95496 l qOpdf: content Q -109.68196 27.95496 -111.45537 26.18155 -111.45537 23.96985 c q(pdf: content Q -111.45537 -23.96985 l qRpdf: content Q -111.45537 -26.18155 -109.68196 -27.95496 -107.47026 -27.95496 c q'pdf: content Q 107.47026 -27.95496 l qOpdf: content Q 109.68196 -27.95496 111.45537 -26.18155 111.45537 -23.96985 c q&pdf: content Q 111.45537 23.96985 l qLpdf: content Q 111.45537 26.18155 109.68196 27.95496 107.47026 27.95496 c qpdf: content Q h q(pdf: content Q -111.45537 -27.95496 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=0 еx=2 $%  2. @1 1  %Q  +ړ $f @ = , 1鎟 ؎ *y 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 36.58223 m q&pdf: content Q -97.90599 36.58223 l qMpdf: content Q -100.11769 36.58223 -101.8911 34.80882 -101.8911 32.59712 c q%pdf: content Q -101.8911 24.5083 l qJpdf: content Q -101.8911 22.2966 -100.11769 20.5232 -97.90599 20.5232 c q%pdf: content Q -80.30193 20.5232 l qIpdf: content Q -78.09021 20.5232 -76.31682 22.2966 -76.31682 24.5083 c q&pdf: content Q -76.31682 32.59712 l qLpdf: content Q -76.31682 34.80882 -78.09021 36.58223 -80.30193 36.58223 c qpdf: content Q h q%pdf: content Q -101.8911 20.5232 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 25.01125 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Qp.LD RNX7 21 6ѓ &ғ 2 -o x^2 J3xJ+1i=0o 2 @ 2 1혵m 21 "%  @ ' <  T{m8+<$O1lwfeǷ (֍mx 2  1 $ Ǯ( & 2T{Ǯ9- 3 3Ǯ)#}򍍍* |n ׎/|o1M ؎\ٸ3zB َC1 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q3" ێ"4yэlwpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 43.76932 m q'pdf: content Q -107.47026 43.76932 l qOpdf: content Q -109.68196 43.76932 -111.45537 41.99591 -111.45537 39.78421 c q(pdf: content Q -111.45537 -39.78421 l qRpdf: content Q -111.45537 -41.99591 -109.68196 -43.76932 -107.47026 -43.76932 c q'pdf: content Q 107.47026 -43.76932 l qOpdf: content Q 109.68196 -43.76932 111.45537 -41.99591 111.45537 -39.78421 c q&pdf: content Q 111.45537 39.78421 l qLpdf: content Q 111.45537 41.99591 109.68196 43.76932 107.47026 43.76932 c qpdf: content Q h q(pdf: content Q -111.45537 -43.76932 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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{ x=mT{ 1  2. @ %m^2S83m+1=0 0: 'i 1T{m 1 # A  %m83+<$O1lwfeǷ (֍m.=0)m8+<$O1lwfeǷ (֍m.=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 52.39659 m q&pdf: content Q -97.90599 52.39659 l qMpdf: content Q -100.11769 52.39659 -101.8911 50.62318 -101.8911 48.41148 c q&pdf: content Q -101.8911 40.32266 l qMpdf: content Q -101.8911 38.11096 -100.11769 36.33755 -97.90599 36.33755 c q&pdf: content Q -80.30193 36.33755 l qLpdf: content Q -78.09021 36.33755 -76.31682 38.11096 -76.31682 40.32266 c q&pdf: content Q -76.31682 48.41148 l qLpdf: content Q -76.31682 50.62318 -78.09021 52.39659 -80.30193 52.39659 c qpdf: content Q h q&pdf: content Q -101.8911 36.33755 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 40.8256 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qcolor push gray 0Ήן32jV8 color pop8C1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>.D kyXQ 2 6њ &ғ 2 -15dmx3=(xdm3)^22 2   1퓵p;@fq "% @ e <  T{p8+2qT 2  1  @ 0 < "%U <  p>q[ٲ)4üǮ( & 2T{Ǯ9- 3 3Ǯ)#}򍍍* ׎ 1+ ؎:3Y m َh n15 ڎ5ز3_A ێ_Bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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_B4uMo?kpdf: 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 45.13533 m q'pdf: content Q -107.47026 45.13533 l qOpdf: content Q -109.68196 45.13533 -111.45537 43.36194 -111.45537 41.15022 c q(pdf: content Q -111.45537 -41.15022 l qRpdf: content Q -111.45537 -43.36194 -109.68196 -45.13533 -107.47026 -45.13533 c q'pdf: content Q 107.47026 -45.13533 l qOpdf: content Q 109.68196 -45.13533 111.45537 -43.36194 111.45537 -41.15022 c q&pdf: content Q 111.45537 41.15022 l qLpdf: content Q 111.45537 43.36194 109.68196 45.13533 107.47026 45.13533 c qpdf: content Q h q(pdf: content Q -111.45537 -45.13533 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qVx^2S85x6=0;#(x8+1)(x6)=0)x=1;#6p>qT 2 &i #T{p=6;#q"=1)p8+2q"=6+2(1)=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 53.7626 m q%pdf: content Q -97.90599 53.7626 l qKpdf: content Q -100.11769 53.7626 -101.8911 51.98921 -101.8911 49.7775 c q&pdf: content Q -101.8911 41.68867 l qMpdf: content Q -101.8911 39.47697 -100.11769 37.70357 -97.90599 37.70357 c q&pdf: content Q -80.30193 37.70357 l qLpdf: content Q -78.09021 37.70357 -76.31682 39.47697 -76.31682 41.68867 c q%pdf: content Q -76.31682 49.7775 l qJpdf: content Q -76.31682 51.98921 -78.09021 53.7626 -80.30193 53.7626 c qpdf: content Q h q&pdf: content Q -101.8911 37.70357 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 42.19162 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QӍ.D kRXO G 1 1gn 0 2 2œ H - 1gm 2 1R @ 0gm 2 6ј &ғ 2 -gm2x^2^N10xe1I=0 2 @ k $%  l @ =  l 2 2 < ZU VU $qV< 0y  l 0] e , 1 #T{ 0 4i / 1鎓fe , 1 Xi5Vpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0 G qpdf: content Q q qpdf: content Q 0 G q=pdf: content Q -109.20525 -67.81001 218.41049 135.62004 re qpdf: content Q S qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -101.235 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qV{2x^28w10x8v1F=F0} 0y. +ś| 0: 'i. 1혲2 # A . %x^2S85x<$l1lwfe (֍2 f_=0x^2S85x=<$K1Kwfe (֍2x^2S85x+(/ K[/usr/local/texlive/2009/texmf-dist/fonts/truetype/kotex-base/UnBatang.ttf] ղ)=<$K1Kwfe (֍2 f_+( ղ)(x8+( m))^2C=( )x8+( m)=( #Q))x=( %)pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q4üǮ( & 2T{Ǯ9- 3 3Ǯ).LD kkX# 2 6ѓ &ғ 2 -(Ox^2\qkPxr+k1 1=0(O 2(N   2 6ј 3 2%' <  T{ %Q k 2  2 @ 1  @ 0 < "%zcǮ( & 2Ǯ9- 3 3Ǯ)3⍍1s3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQ3uepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM4wqm-:pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 97.40402 m q'pdf: content Q -107.47026 97.40402 l qOpdf: content Q -109.68196 97.40402 -111.45537 95.63062 -111.45537 93.41891 c q(pdf: content Q -111.45537 -93.41891 l qRpdf: content Q -111.45537 -95.63062 -109.68196 -97.40402 -107.47026 -97.40402 c q'pdf: content Q 107.47026 -97.40402 l qOpdf: content Q 109.68196 -97.40402 111.45537 -95.63062 111.45537 -93.41891 c q&pdf: content Q 111.45537 93.41891 l qLpdf: content Q 111.45537 95.63062 109.68196 97.40402 107.47026 97.40402 c qpdf: content Q h q(pdf: content Q -111.45537 -97.40402 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qb T{  1퓵 ]Ǯ- BZ+83 2 "% @ % BZ+8 +3=kPǮ-T{ z( BZ+3)=kw152 В=kw83Ǯ-T{ =<$Kk83Kwfe5 (֍2@. 2 &i #<$33kw8333wfe5 (֍2Cru%p  yhcmex10Ѐ<$""kw83""wfe5 (֍2color push gray 0fdfi׎ color pop*>SD k9Xo`* 2 6ѓ &ғ 2 -<$P1Pwfe (֍3 x^2G;Ȳ2xDz+m=0| 1퍍<$P1Pwfe (֍3 (xȲ+n)^2C=6} 2$ e  #T{ A ;i e <  mn 2  1 Ǯ( & 2Ǯ8- 3 +jǮ)/卍7 ׎ 21I ؎X21C َC27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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q 27I ێX9 j|4gXݟˬpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 102.96735 51.53244 m q'pdf: content Q -102.96735 51.53244 l qOpdf: content Q -105.17905 51.53244 -106.95245 49.75903 -106.95245 47.54733 c q(pdf: content Q -106.95245 -47.54733 l qRpdf: content Q -106.95245 -49.75903 -105.17905 -51.53244 -102.96735 -51.53244 c q'pdf: content Q 102.96735 -51.53244 l qOpdf: content Q 105.17905 -51.53244 106.95245 -49.75903 106.95245 -47.54733 c q&pdf: content Q 106.95245 47.54733 l qLpdf: content Q 106.95245 49.75903 105.17905 51.53244 102.96735 51.53244 c qpdf: content Q h q(pdf: content Q -106.95245 -51.53244 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.98224 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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<$f1fwfe (֍3 (x^2S86x)=m;<$۲1۟wfe (֍3 (x^286x+9)3=m<$f1fwfe (֍3 (x83)^2C=m+3Ǎ3)m=9;n=33)mn=27pdf: 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$pdf: content Q -75.799 60.15971 m q&pdf: content Q -93.40308 60.15971 l qJpdf: content Q -95.61478 60.15971 -97.38818 58.3863 -97.38818 56.1746 c q&pdf: content Q -97.38818 48.08578 l qLpdf: content Q -97.38818 45.87407 -95.61478 44.10068 -93.40308 44.10068 c q$pdf: content Q -75.799 44.10068 l qKpdf: content Q -73.5873 44.10068 -71.81389 45.87407 -71.81389 48.08578 c q%pdf: content Q -71.81389 56.1746 l qHpdf: content Q -71.81389 58.3863 -73.5873 60.15971 -75.799 60.15971 c qpdf: content Q h q&pdf: content Q -97.38818 44.10068 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -94.06761 48.58873 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 Qa.D k8X[ 2 6ѐ &ғ 2 - x^2dW3xW+k10=0 2   1혵 zǮ-< k< "% e @  <  ݵ z^2+q ^2WI=S15 2 ! < I 2 <    m , 2  m $%e 2 1R~ @ 0̂ +j ,k 2́  1  @ 0 < "%!̼Ǯ( & 2T{Ǯ8- 3 +jǮ)DQҍ1sޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QQޟepdf: 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U7]\;ލkۚwpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 35.66335 m q'pdf: content Q -107.47026 35.66335 l qOpdf: content Q -109.68196 35.66335 -111.45537 33.88994 -111.45537 31.67824 c q(pdf: content Q -111.45537 -31.67824 l qRpdf: content Q -111.45537 -33.88994 -109.68196 -35.66335 -107.47026 -35.66335 c q'pdf: content Q 107.47026 -35.66335 l qOpdf: content Q 109.68196 -35.66335 111.45537 -33.88994 111.45537 -31.67824 c q&pdf: content Q 111.45537 31.67824 l qLpdf: content Q 111.45537 33.88994 109.68196 35.66335 107.47026 35.66335 c qpdf: content Q h q(pdf: content Q -111.45537 -35.66335 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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=3Ǯ-T{ z =kw810T{ 2 &i # z^28+ ^2ʧ=( )+ )^2/"2 z N4=3^2/"2(kG10)=15)k=7pdf: 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 44.29062 m q&pdf: content Q -97.90599 44.29062 l qMpdf: content Q -100.11769 44.29062 -101.8911 42.51723 -101.8911 40.30551 c q&pdf: content Q -101.8911 32.21669 l qMpdf: content Q -101.8911 30.00499 -100.11769 28.23158 -97.90599 28.23158 c q&pdf: content Q -80.30193 28.23158 l qLpdf: content Q -78.09021 28.23158 -76.31682 30.00499 -76.31682 32.21669 c q&pdf: content Q -76.31682 40.30551 l qLpdf: content Q -76.31682 42.51723 -78.09021 44.29062 -80.30193 44.29062 c qpdf: content Q h q&pdf: content Q -101.8911 28.23158 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 32.71964 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 pop];,m5ffS[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-regular.otf]4H NanumGothicBoldNanumGothicBold/ K[/usr/local/texlive/2009/texmf-dist/fonts/truetype/kotex-base/UnBatang.ttf]& msam10%p  yhcmex10#R[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman7-regular.otf]"  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