; XeTeX output 2010.06.28:21391pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdq4H NanumGothicBoldNanumGothicBoldc  *c  !c  c  Kc c  fi׎ color pop*>+! P[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-bold.otf] RX"  NanumMyeongjoNanumMyeongjoRegular c 1 2b 6ѓ &Ҙ 2 - b> cmmi10x^ٓRcmr72UK`y cmr10+3x !", cmsy1010=0 2 @c $% b @ % 4 S[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman10-regular.otf]Ǯ( & 2T{Ǯk- @ 3Ǯ)PuЇ^ ׎ x=1T{  =x=10捍 ؎ x=1T{  =x=10 َ x=2T{  =x=5 ڎ x=2T{  =x=5 ێpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 x=2T{  =x=5Lkpdf: 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 27.71112 m q'pdf: content Q -107.47026 27.71112 l qOpdf: content Q -109.68196 27.71112 -111.45537 25.93771 -111.45537 23.72601 c q(pdf: content Q -111.45537 -23.72601 l qRpdf: content Q -111.45537 -25.93771 -109.68196 -27.71112 -107.47026 -27.71112 c q'pdf: content Q 107.47026 -27.71112 l qOpdf: content Q 109.68196 -27.71112 111.45537 -25.93771 111.45537 -23.72601 c q&pdf: content Q 111.45537 23.72601 l qLpdf: content Q 111.45537 25.93771 109.68196 27.71112 107.47026 27.71112 c qpdf: content Q h q(pdf: content Q -111.45537 -27.71112 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qJx^2S+83x10=(x82)(x+5)=0x=2T{  =x=5pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 36.3384 m q%pdf: content Q -97.90599 36.3384 l qLpdf: content Q -100.11769 36.3384 -101.8911 34.56499 -101.8911 32.35329 c q&pdf: content Q -101.8911 24.26447 l qMpdf: content Q -101.8911 22.05276 -100.11769 20.27936 -97.90599 20.27936 c q&pdf: content Q -80.30193 20.27936 l qLpdf: content Q -78.09021 20.27936 -76.31682 22.05276 -76.31682 24.26447 c q&pdf: content Q -76.31682 32.35329 l qJpdf: content Q -76.31682 34.56499 -78.09021 36.3384 -80.30193 36.3384 c qpdf: content Q h q&pdf: content Q -101.8911 20.27936 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 24.76741 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 Q8Nc+ kX a 13 3x;i=;h3; 24 @`   = 2` 6ј &ғ 2 - 1 U 2 32e żVkNǮ( & 2T{Ǯk- @ 3Ǯ)7y؍D ׎ x(x8+2)=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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q~%x^2S+82x3=0捍 َpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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+85x+6=0o$ ڎ~%2x^2S8x1=0 ێ 2x^2S+84=0ckүpdf: 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 28.47063 m q'pdf: content Q -107.47026 28.47063 l qOpdf: content Q -109.68196 28.47063 -111.45537 26.69722 -111.45537 24.48552 c q(pdf: content Q -111.45537 -24.48552 l qRpdf: content Q -111.45537 -26.69722 -109.68196 -28.47063 -107.47026 -28.47063 c q'pdf: content Q 107.47026 -28.47063 l qOpdf: content Q 109.68196 -28.47063 111.45537 -26.69722 111.45537 -24.48552 c q&pdf: content Q 111.45537 24.48552 l qLpdf: content Q 111.45537 26.69722 109.68196 28.47063 107.47026 28.47063 c qpdf: content Q h q(pdf: content Q -111.45537 -28.47063 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qȍ ؎ (x81)-6(1Kx8+3)N=0 َ (x8+2)-6(1Kx8+3)N=0pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 37.0979 m q%pdf: content Q -97.90599 37.0979 l qJpdf: content Q -100.11769 37.0979 -101.8911 35.3245 -101.8911 33.1128 c q&pdf: content Q -101.8911 25.02397 l qMpdf: content Q -101.8911 22.81227 -100.11769 21.03886 -97.90599 21.03886 c q&pdf: content Q -80.30193 21.03886 l qLpdf: content Q -78.09021 21.03886 -76.31682 22.81227 -76.31682 25.02397 c q%pdf: content Q -76.31682 33.1128 l qIpdf: content Q -76.31682 35.3245 -78.09021 37.0979 -80.30193 37.0979 c qpdf: content Q h q&pdf: content Q -101.8911 21.03886 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 25.52692 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 jX! N 1| &ҐM 2 -(x+4)^2C=5x+7 1혵ax^2.+bx+c=0 2' ݕ # K A ;i e L <   ]a]b\+c 2 L  1  @ %  U <   ^a>0)Ǯ( & 2T{Ǯk- @ 3Ǯ)}򍍍* |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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|o7M ؎\ٲ8zB َC9 ڎ10" ێ"11(pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 55.17422 m q'pdf: content Q -107.47026 55.17422 l qOpdf: content Q -109.68196 55.17422 -111.45537 53.40082 -111.45537 51.18912 c q(pdf: content Q -111.45537 -51.18912 l qRpdf: content Q -111.45537 -53.40082 -109.68196 -55.17422 -107.47026 -55.17422 c q'pdf: content Q 107.47026 -55.17422 l qOpdf: content Q 109.68196 -55.17422 111.45537 -53.40082 111.45537 -51.18912 c q&pdf: content Q 111.45537 51.18912 l qLpdf: content Q 111.45537 53.40082 109.68196 55.17422 107.47026 55.17422 c qpdf: content Q h q(pdf: content Q -111.45537 -55.17422 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qBu(x8+4)^2C=5x+73x^2S+88x+165x7=03& msam10)x^2S+83x+9=0"Oލ3a=1;#b=3;c=93)a8b+c=183+9=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 63.8015 m q%pdf: content Q -97.90599 63.8015 l qLpdf: content Q -100.11769 63.8015 -101.8911 62.02809 -101.8911 59.81639 c q&pdf: content Q -101.8911 51.72757 l qMpdf: content Q -101.8911 49.51585 -100.11769 47.74246 -97.90599 47.74246 c q&pdf: content Q -80.30193 47.74246 l qLpdf: content Q -78.09021 47.74246 -76.31682 49.51585 -76.31682 51.72757 c q&pdf: content Q -76.31682 59.81639 l qJpdf: content Q -76.31682 62.02809 -78.09021 63.8015 -80.30193 63.8015 c qpdf: content Q h q&pdf: content Q -101.8911 47.74246 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 52.23051 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(c+Ն 9X%  1< 3<[ X7] N7 / 2 ,  3 0] 4m< &ғ 2 - 2 @ 2!< , 1 %Q '  $ % |Ǯ( & 2T{Ǯk- @ 3Ǯ)PuЇ^ |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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|ox^2S84x=3x[q0]捍 |n ؎/|ox^2S+82x8=0[qŸ2] |n َ/|o(x8+2)^2C=9x[q2] |n ڎ/|o2x^2S87x+6=0[q2] |n ێ%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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/|o2x^2S815x8=0[q8]Lpdf: 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 27.71112 m q'pdf: content Q -107.47026 27.71112 l qOpdf: content Q -109.68196 27.71112 -111.45537 25.93771 -111.45537 23.72601 c q(pdf: content Q -111.45537 -23.72601 l qRpdf: content Q -111.45537 -25.93771 -109.68196 -27.71112 -107.47026 -27.71112 c q'pdf: content Q 107.47026 -27.71112 l qOpdf: content Q 109.68196 -27.71112 111.45537 -25.93771 111.45537 -23.72601 c q&pdf: content Q 111.45537 23.72601 l qLpdf: content Q 111.45537 25.93771 109.68196 27.71112 107.47026 27.71112 c qpdf: content Q h q(pdf: content Q -111.45537 -27.71112 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qJ ׎ 0^2S840=380 ێ 288^2S1588=12881208=0pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 36.3384 m q%pdf: content Q -97.90599 36.3384 l qLpdf: content Q -100.11769 36.3384 -101.8911 34.56499 -101.8911 32.35329 c q&pdf: content Q -101.8911 24.26447 l qMpdf: content Q -101.8911 22.05276 -100.11769 20.27936 -97.90599 20.27936 c q&pdf: content Q -80.30193 20.27936 l qLpdf: content Q -78.09021 20.27936 -76.31682 22.05276 -76.31682 24.26447 c q&pdf: content Q -76.31682 32.35329 l qJpdf: content Q -76.31682 34.56499 -78.09021 36.3384 -80.30193 36.3384 c qpdf: content Q h q&pdf: content Q -101.8911 20.27936 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 24.76741 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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*>+ 8Xe  1T{ 3x 0y  @ 2 6 & 2 - 2! , 1 4üǮ( & 2T{Ǯk- @ 3Ǯ)PuЇ^ ׎ 2x^2S85=2(x^281)捍 ؎ (x83)(x+1)=x^2S84 َ 3(x8+1)=5(x8+1) 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q (x85)(x+5)=258x^2 ێ x^2C=(x84)^2:kpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 36.50624 m q'pdf: content Q -107.47026 36.50624 l qOpdf: content Q -109.68196 36.50624 -111.45537 34.73283 -111.45537 32.52113 c q(pdf: content Q -111.45537 -32.52113 l qRpdf: content Q -111.45537 -34.73283 -109.68196 -36.50624 -107.47026 -36.50624 c q'pdf: content Q 107.47026 -36.50624 l qOpdf: content Q 109.68196 -36.50624 111.45537 -34.73283 111.45537 -32.52113 c q&pdf: content Q 111.45537 32.52113 l qLpdf: content Q 111.45537 34.73283 109.68196 36.50624 107.47026 36.50624 c qpdf: content Q h q(pdf: content Q -111.45537 -36.50624 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 q83(x85)(x+5)=258x^232x^2S850=0)x^2S825=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 45.13351 m q&pdf: content Q -97.90599 45.13351 l qKpdf: content Q -100.11769 45.13351 -101.8911 43.3601 -101.8911 41.1484 c q&pdf: content Q -101.8911 33.05959 l qMpdf: content Q -101.8911 30.84787 -100.11769 29.07448 -97.90599 29.07448 c q&pdf: content Q -80.30193 29.07448 l qLpdf: content Q -78.09021 29.07448 -76.31682 30.84787 -76.31682 33.05959 c q%pdf: content Q -76.31682 41.1484 l qKpdf: content Q -76.31682 43.3601 -78.09021 45.13351 -80.30193 45.13351 c qpdf: content Q h q&pdf: content Q -101.8911 29.07448 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 33.56253 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 1 G qpdf: content Q 1 g q @ +͎pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QIQ+ eXe  1T{ 3x 0y  @ 2 6 & 2 - 2 / uœfe , 1 4üǮ( & 2T{Ǯk- @ 3Ǯ)PuЇ^ ׎ x^2C=0捍 ؎ 4x^2S84x=0 َ 3x(x8+1)=x(x8+1) ڎpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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^2C=x(x81)4 ێ 3x^2S84=x^2+84x,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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q ڎ xT{ 0y  @ 2% 6 & 2 - 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 28.28036 m q&pdf: content Q -97.90599 28.28036 l qMpdf: content Q -100.11769 28.28036 -101.8911 26.50697 -101.8911 24.29526 c q&pdf: content Q -101.8911 16.20644 l qMpdf: content Q -101.8911 13.99474 -100.11769 12.22133 -97.90599 12.22133 c q&pdf: content Q -80.30193 12.22133 l qLpdf: content Q -78.09021 12.22133 -76.31682 13.99474 -76.31682 16.20644 c q&pdf: content Q -76.31682 24.29526 l qLpdf: content Q -76.31682 26.50697 -78.09021 28.28036 -80.30193 28.28036 c qpdf: content Q h q&pdf: content Q -101.8911 12.22133 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 16.70938 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QHcolor push gray 0ff color pop*>+Ն dX!u 2 6ѐ &ғ 2 - b(3x4)^2$2(x3)^2C=0 b 1퓵x^2 2 m , '7F 2!vax^2 +Mbx+LcӨ=ӧ0u 2 ݕW # A ;i e <  acMbu 2'  1T{  @ 0 < "%bǮ( & 2Ǯk- @ 3Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QM2]ʙpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 52.60211 m q'pdf: content Q -107.47026 52.60211 l qLpdf: content Q -109.68196 52.60211 -111.45537 50.8287 -111.45537 48.617 c q&pdf: content Q -111.45537 -48.617 l qQpdf: content Q -111.45537 -50.8287 -109.68196 -52.60211 -107.47026 -52.60211 c q'pdf: content Q 107.47026 -52.60211 l qLpdf: content Q 109.68196 -52.60211 111.45537 -50.8287 111.45537 -48.617 c q$pdf: content Q 111.45537 48.617 l qKpdf: content Q 111.45537 50.8287 109.68196 52.60211 107.47026 52.60211 c qpdf: content Q h q(pdf: content Q -111.45537 -52.60211 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qb(3x84)^2S2(x3)^2C=09x^2S824x+162x^2+12x18=07x^2S812x2=0a=7;#b=12;c=2)ac8b=14+12=2pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 61.22939 m q&pdf: content Q -97.90599 61.22939 l qMpdf: content Q -100.11769 61.22939 -101.8911 59.45598 -101.8911 57.24428 c q&pdf: content Q -101.8911 49.15546 l qMpdf: content Q -101.8911 46.94374 -100.11769 45.17035 -97.90599 45.17035 c q&pdf: content Q -80.30193 45.17035 l qLpdf: content Q -78.09021 45.17035 -76.31682 46.94374 -76.31682 49.15546 c q&pdf: content Q -76.31682 57.24428 l qLpdf: content Q -76.31682 59.45598 -78.09021 61.22939 -80.30193 61.22939 c qpdf: content Q h q&pdf: content Q -101.8911 45.17035 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 49.6584 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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_ +Ն 3XQ; 2B 6ѓ &ғ 2 -6x^20+fxf+3kY=90(k6=0)6 2 @5 B 2k 2%' <  T{k 2  1  @ 0 < "%<޼Ǯ( & 2Ǯj- @ +jǮ)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 QM4?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 qh 3 0] 4mT{ - 0yk $%  2. @ %kP^2+8kw+3k=0;#kP^2+4k=0kP(kw+84)=0)k=4(k6=0)pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 53.83296 m q&pdf: content Q -97.90599 53.83296 l qMpdf: content Q -100.11769 53.83296 -101.8911 52.05956 -101.8911 49.84785 c q&pdf: content Q -101.8911 41.75903 l qMpdf: content Q -101.8911 39.54733 -100.11769 37.77393 -97.90599 37.77393 c q&pdf: content Q -80.30193 37.77393 l qLpdf: content Q -78.09021 37.77393 -76.31682 39.54733 -76.31682 41.75903 c q&pdf: content Q -76.31682 49.84785 l qLpdf: content Q -76.31682 52.05956 -78.09021 53.83296 -80.30193 53.83296 c qpdf: content Q h q&pdf: content Q -101.8911 37.77393 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 42.26198 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 0Ήן32jVk color popM1pdf:pagesize width 597.50787pt height 845.04684pt*>color push gray 0fdfi׎ color pop*>+ NXf  v 1  2 u 6ј &ғ 2 - 1  - 0y $u 3 @ =x 2  v 1 e @ 0 < "%e2x^2S89x++9=0;#4x^2+88x+3=0>Ǯ( & 2T{Ǯj- @ +jǮ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 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+Ux=<$3wfe (֍2f k럿Bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 63.90097 m q'pdf: content Q -107.47026 63.90097 l qOpdf: content Q -109.68196 63.90097 -111.45537 62.12758 -111.45537 59.91586 c q(pdf: content Q -111.45537 -59.91586 l qRpdf: content Q -111.45537 -62.12758 -109.68196 -63.90097 -107.47026 -63.90097 c q'pdf: content Q 107.47026 -63.90097 l qOpdf: content Q 109.68196 -63.90097 111.45537 -62.12758 111.45537 -59.91586 c q&pdf: content Q 111.45537 59.91586 l qLpdf: content Q 111.45537 62.12758 109.68196 63.90097 107.47026 63.90097 c qpdf: content Q h q(pdf: content Q -111.45537 -63.90097 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qԀ2x^2S89x+9=0(x83)(2x3)=0x=3  =x=<$K3Kwfe (֍24x^2S88x+3=0(2x83)(2x1)=0x=<$K3Kwfe (֍2u  =x=<$K1Kwfe (֍2pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 72.52824 m q&pdf: content Q -97.90599 72.52824 l qMpdf: content Q -100.11769 72.52824 -101.8911 70.75485 -101.8911 68.54314 c q&pdf: content Q -101.8911 60.45433 l qMpdf: content Q -101.8911 58.24261 -100.11769 56.46922 -97.90599 56.46922 c q&pdf: content Q -80.30193 56.46922 l qLpdf: content Q -78.09021 56.46922 -76.31682 58.24261 -76.31682 60.45433 c q&pdf: content Q -76.31682 68.54314 l qLpdf: content Q -76.31682 70.75485 -78.09021 72.52824 -80.30193 72.52824 c qpdf: content Q h q&pdf: content Q -101.8911 56.46922 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 60.95726 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 RyXe(xF&+2)(x5)=0V 2< 6& 2=  5 @ ==x 2  ' 2 @ 1펤e  @ % |Ǯ( & 2T{Ǯj- @ +jǮ)}򍍍* ׎ 1+ ؎:2Y 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Qh n35 ڎ5ظ3_A ێ_B4v0knMpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 35.83522 m q'pdf: content Q -107.47026 35.83522 l qOpdf: content Q -109.68196 35.83522 -111.45537 34.06181 -111.45537 31.85011 c q(pdf: content Q -111.45537 -31.85011 l qRpdf: content Q -111.45537 -34.06181 -109.68196 -35.83522 -107.47026 -35.83522 c q'pdf: content Q 107.47026 -35.83522 l qOpdf: content Q 109.68196 -35.83522 111.45537 -34.06181 111.45537 -31.85011 c q&pdf: content Q 111.45537 31.85011 l qLpdf: content Q 111.45537 34.06181 109.68196 35.83522 107.47026 35.83522 c qpdf: content Q h q(pdf: content Q -111.45537 -35.83522 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qR卵x8+2=0T{  =x85=0x=2T{  =x=5)28+5=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 44.4625 m q%pdf: content Q -97.90599 44.4625 l qLpdf: content Q -100.11769 44.4625 -101.8911 42.68909 -101.8911 40.47739 c q&pdf: content Q -101.8911 32.38857 l qMpdf: content Q -101.8911 30.17686 -100.11769 28.40346 -97.90599 28.40346 c q&pdf: content Q -80.30193 28.40346 l qLpdf: content Q -78.09021 28.40346 -76.31682 30.17686 -76.31682 32.38857 c q&pdf: content Q -76.31682 40.47739 l qJpdf: content Q -76.31682 42.68909 -78.09021 44.4625 -80.30193 44.4625 c qpdf: content Q h q&pdf: content Q -101.8911 28.40346 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 32.89151 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"# ] 1 2 6ѓ &Ґ^ 2 - 3 0y +ŘǮ('Ǯ) / 2 ,  @   = , 1펤' %Q T{  $ % U 2 2 żV5Ǯ( & 2Ǯj- @ +jǮ)PuЇ^ |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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|o(x83)^2C=4x[T{1]捍 |n ؎/|o(x8+2)(x3)=14[T{1] |n َ/|ox^2S+82x3=0[T{3] |n ڎ/|ox^2C=4x8+12[T{2] |n ێ%|opdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -9.45004 -9.10004 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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/|o2x(x83)=0[T{0]\Ppdf: 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 61.14294 m q'pdf: content Q -107.47026 61.14294 l qOpdf: content Q -109.68196 61.14294 -111.45537 59.36954 -111.45537 57.15784 c q(pdf: content Q -111.45537 -57.15784 l qRpdf: content Q -111.45537 -59.36954 -109.68196 -61.14294 -107.47026 -61.14294 c q'pdf: content Q 107.47026 -61.14294 l qOpdf: content Q 109.68196 -61.14294 111.45537 -59.36954 111.45537 -57.15784 c q&pdf: content Q 111.45537 57.15784 l qLpdf: content Q 111.45537 59.36954 109.68196 61.14294 107.47026 61.14294 c qpdf: content Q h q(pdf: content Q -111.45537 -61.14294 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 qkhǮ(%Ǯ) / 2 , $%  - 2xH 0y  2. @ 0 +ژ $f @ = , 1펡 6 = <  ׎ WG(xҸӲ3)^2=w4xB 0yƵx=1 1  2. @ %4w=4B   0]T{ + $f @ <  ێ O2x(x\3)=0A 0yΖx=0A 1Η  2. @ %0=0A 2  0]T{ + $f @ < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 69.77022 m q&pdf: content Q -97.90599 69.77022 l qMpdf: content Q -100.11769 69.77022 -101.8911 67.99681 -101.8911 65.78511 c q&pdf: content Q -101.8911 57.69629 l qMpdf: content Q -101.8911 55.48459 -100.11769 53.71118 -97.90599 53.71118 c q&pdf: content Q -80.30193 53.71118 l qLpdf: content Q -78.09021 53.71118 -76.31682 55.48459 -76.31682 57.69629 c q&pdf: content Q -76.31682 65.78511 l qLpdf: content Q -76.31682 67.99681 -78.09021 69.77022 -80.30193 69.77022 c qpdf: content Q h q&pdf: content Q -101.8911 53.71118 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 58.19923 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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{ks+ՆD RkX'x&6  x 4z @f y2;881;#0;1;2gZK 2 1y ,5 2% <   2 6ѐ &Ҙ 2' -T{x^2S84x+3=030 2 @ 4z @ 1 GǮ( & 2Ǯj- @ +jǮ)7y؍D |n ׎/|o) msbm10?c ؎cfc3;#1g捍 |n َ/|of4|p1gc ڎcfc1;#3g |n ێ%|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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7N/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/correct_mark.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q/|of4|p1gT(Zwpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 36.90869 m q'pdf: content Q -107.47026 36.90869 l qOpdf: content Q -109.68196 36.90869 -111.45537 35.13528 -111.45537 32.92358 c q(pdf: content Q -111.45537 -32.92358 l qRpdf: content Q -111.45537 -35.13528 -109.68196 -36.90869 -107.47026 -36.90869 c q'pdf: content Q 107.47026 -36.90869 l qOpdf: content Q 109.68196 -36.90869 111.45537 -35.13528 111.45537 -32.92358 c q&pdf: content Q 111.45537 32.92358 l qLpdf: content Q 111.45537 35.13528 109.68196 36.90869 107.47026 36.90869 c qpdf: content Q h q(pdf: content Q -111.45537 -36.90869 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qxH 0y  4z @ 2 1y ,5  1  2. @ %xj=i1H 2%   0y $u + $f @ <   "% +ŖT{ @ 4z @ 1鍍fT|1g 2 < pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 45.53596 m q&pdf: content Q -97.90599 45.53596 l qMpdf: content Q -100.11769 45.53596 -101.8911 43.76257 -101.8911 41.55086 c q&pdf: content Q -101.8911 33.46204 l qMpdf: content Q -101.8911 31.25034 -100.11769 29.47693 -97.90599 29.47693 c q&pdf: content Q -80.30193 29.47693 l qLpdf: content Q -78.09021 29.47693 -76.31682 31.25034 -76.31682 33.46204 c q&pdf: content Q -76.31682 41.55086 l qLpdf: content Q -76.31682 43.76257 -78.09021 45.53596 -80.30193 45.53596 c qpdf: content Q h q&pdf: content Q -101.8911 29.47693 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 33.96498 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 RjXU 2 6ѓ &Ґ 2 -2x^2]࠲(k17+3)x+2k=0 2 3  1  4q <  e +j ,T{k 2   2  1  @ 0 < "%3Ǯ( & 2Ǯj- 3 @Ǯ)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+U9+;k럹rpdf: 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 69.69423 m q'pdf: content Q -107.47026 69.69423 l qOpdf: content Q -109.68196 69.69423 -111.45537 67.92082 -111.45537 65.70912 c q(pdf: content Q -111.45537 -65.70912 l qRpdf: content Q -111.45537 -67.92082 -109.68196 -69.69423 -107.47026 -69.69423 c q'pdf: content Q 107.47026 -69.69423 l qOpdf: content Q 109.68196 -69.69423 111.45537 -67.92082 111.45537 -65.70912 c q&pdf: content Q 111.45537 65.70912 l qLpdf: content Q 111.45537 67.92082 109.68196 69.69423 107.47026 69.69423 c qpdf: content Q h q(pdf: content Q -111.45537 -69.69423 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g q4X32x^2S8(kw+3)x+2k[=2(x8a)^2[=2x^2S84ax+2a^2C=0kw+83=4a;#2a^2C=2k(kw+83)^2C=16kkP^2810kw+9=0(kw81)(k9)=0)k=1T{  =k=9)189=9pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q%pdf: content Q -80.30193 78.3215 m q%pdf: content Q -97.90599 78.3215 l qJpdf: content Q -100.11769 78.3215 -101.8911 76.5481 -101.8911 74.3364 c q&pdf: content Q -101.8911 66.24757 l qMpdf: content Q -101.8911 64.03586 -100.11769 62.26247 -97.90599 62.26247 c q&pdf: content Q -80.30193 62.26247 l qLpdf: content Q -78.09021 62.26247 -76.31682 64.03586 -76.31682 66.24757 c q%pdf: content Q -76.31682 74.3364 l qIpdf: content Q -76.31682 76.5481 -78.09021 78.3215 -80.30193 78.3215 c qpdf: content Q h q&pdf: content Q -101.8911 62.26247 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 66.75052 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 R9X 2J 6ѓ &ғ 2 -x^2͸Z2x8I=0 2  J 2 @ 23x^2Ͳ+e6x8+a=0T{ 2  2% <   $! @  1  @ 0 < "%>Ǯ( & 2T{Ǯj- 3 @Ǯ)ޟpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q+U4k럘 pdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q'pdf: content Q 107.47026 102.38408 m q(pdf: content Q -107.47026 102.38408 l qQpdf: content Q -109.68196 102.38408 -111.45537 100.61069 -111.45537 98.39897 c q(pdf: content Q -111.45537 -98.39897 l qUpdf: content Q -111.45537 -100.61069 -109.68196 -102.38408 -107.47026 -102.38408 c q(pdf: content Q 107.47026 -102.38408 l qQpdf: content Q 109.68196 -102.38408 111.45537 -100.61069 111.45537 -98.39897 c q&pdf: content Q 111.45537 98.39897 l qOpdf: content Q 111.45537 100.61069 109.68196 102.38408 107.47026 102.38408 c qpdf: content Q h q)pdf: content Q -111.45537 -102.38408 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qߒx^2S82x8=0(x84)(x+2)=0)x=4T{  =x=2   2T{ @ 1铲230 2 < x=2T{ $%3x^2S+86x+a=030 0yT{  2. @ %382^2S+62+a=0)a=243x^2S+86x24=0x^2S+82x8=0(x82)(x+4)=0)x=2T{  =x=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q'pdf: content Q -80.30193 111.01137 m q'pdf: content Q -97.90599 111.01137 l qPpdf: content Q -100.11769 111.01137 -101.8911 109.23796 -101.8911 107.02626 c q&pdf: content Q -101.8911 98.93744 l qMpdf: content Q -101.8911 96.72572 -100.11769 94.95233 -97.90599 94.95233 c q&pdf: content Q -80.30193 94.95233 l qLpdf: content Q -78.09021 94.95233 -76.31682 96.72572 -76.31682 98.93744 c q'pdf: content Q -76.31682 107.02626 l qOpdf: content Q -76.31682 109.23796 -78.09021 111.01137 -80.30193 111.01137 c qpdf: content Q h q&pdf: content Q -101.8911 94.95233 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 99.44037 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 R8XF  2 6ѕ &ғ 2 -2x^2ֻZI7xZH4=0;2x^2ZI5xZH12=0' 1T{  - 0y $u 3 @ =x 2  1  @ 0 < "%LǮ( & 2T{Ǯj- 3 @Ǯ)3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QMx=T{4Bpdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w qpdf: content Q q qpdf: content Q 0.5 G qpdf: content Q 0.9 g qpdf: content Q 1.19553 w q&pdf: content Q 107.47026 63.90097 m q'pdf: content Q -107.47026 63.90097 l qOpdf: content Q -109.68196 63.90097 -111.45537 62.12758 -111.45537 59.91586 c q(pdf: content Q -111.45537 -59.91586 l qRpdf: content Q -111.45537 -62.12758 -109.68196 -63.90097 -107.47026 -63.90097 c q'pdf: content Q 107.47026 -63.90097 l qOpdf: content Q 109.68196 -63.90097 111.45537 -62.12758 111.45537 -59.91586 c q&pdf: content Q 111.45537 59.91586 l qLpdf: content Q 111.45537 62.12758 109.68196 63.90097 107.47026 63.90097 c qpdf: content Q h q(pdf: content Q -111.45537 -63.90097 m qpdf: content Q B qpdf: content Q Q qpdf: content Q q q8pdf: content Q 1.0 0.0 0.0 1.0 -103.48515 -2.49069 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 qԀ2x^2S87x4=0(2x8+1)(x4)=0)x=<$33133wfe (֍2  =!]x=42x^2S85x12=0(2x8+3)(x4)=0)x=<$33333wfe (֍2  =!]x=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 72.52824 m q&pdf: content Q -97.90599 72.52824 l qMpdf: content Q -100.11769 72.52824 -101.8911 70.75485 -101.8911 68.54314 c q&pdf: content Q -101.8911 60.45433 l qMpdf: content Q -101.8911 58.24261 -100.11769 56.46922 -97.90599 56.46922 c q&pdf: content Q -80.30193 56.46922 l qLpdf: content Q -78.09021 56.46922 -76.31682 58.24261 -76.31682 60.45433 c q&pdf: content Q -76.31682 68.54314 l qLpdf: content Q -76.31682 70.75485 -78.09021 72.52824 -80.30193 72.52824 c qpdf: content Q h q&pdf: content Q -101.8911 56.46922 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q7pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 60.95726 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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- č+ՆD ReX'  1T{ 2 6 & 2 - 1 ?) 0] < "%'x^2S89x52=0WrgǮ( & 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7U/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_user_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n Q3updf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -4.90001 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qx:gsave x:scale .7 .7X/usr/local/texlive/2009/../texmf-local/tex/latex/local/images/subject_correct_answer.pdf x:grestorepdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q Q qpdf: content Q n qpdf: content Q Q qpdf: content n QMx=T{133uepdf: content Q 3 Tr qǮXpdf: content Q 0 Tr qpdf: content qpdf: content Q q qpdf: content Q 0 G qpdf: content Q 0 g qpdf: content Q 0.3985 w qpdf: content Q q qpdf: content Q q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -18.9001 -5.25002 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 QMx=T{4o}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 36.00812 m q'pdf: content Q -107.47026 36.00812 l qOpdf: content Q -109.68196 36.00812 -111.45537 34.23471 -111.45537 32.02301 c q(pdf: content Q -111.45537 -32.02301 l qRpdf: content Q -111.45537 -34.23471 -109.68196 -36.00812 -107.47026 -36.00812 c q'pdf: content Q 107.47026 -36.00812 l qOpdf: content Q 109.68196 -36.00812 111.45537 -34.23471 111.45537 -32.02301 c q&pdf: content Q 111.45537 32.02301 l qLpdf: content Q 111.45537 34.23471 109.68196 36.00812 107.47026 36.00812 c qpdf: content Q h q(pdf: content Q -111.45537 -36.00812 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$pdf: content -1 0 0 -1 0 0 cm 3 Tr qǮXpdf: content Q 0 Tr qpdf: content Q 0 G qpdf: content Q 0 g qRx^2S89x52=0(x813)(x+4)=0)x=13T{  =x=4pdf: content Q n Qpdf: content Q Q qpdf: content Q Q qpdf: content Q q qpdf: content Q 0.5 g qpdf: content Q q qpdf: content Q 0.5 g q&pdf: content Q -80.30193 44.63539 m q&pdf: content Q -97.90599 44.63539 l qMpdf: content Q -100.11769 44.63539 -101.8911 42.86198 -101.8911 40.65028 c q&pdf: content Q -101.8911 32.56146 l qMpdf: content Q -101.8911 30.34975 -100.11769 28.57635 -97.90599 28.57635 c q&pdf: content Q -80.30193 28.57635 l qLpdf: content Q -78.09021 28.57635 -76.31682 30.34975 -76.31682 32.56146 c q&pdf: content Q -76.31682 40.65028 l qLpdf: content Q -76.31682 42.86198 -78.09021 44.63539 -80.30193 44.63539 c qpdf: content Q h q&pdf: content Q -101.8911 28.57635 m qpdf: content Q f qpdf: content Q Q qpdf: content Q q q6pdf: content Q 1.0 0.0 0.0 1.0 -98.57053 33.0644 cm q#pdf: content Q q -1 0 0 -1 0 0 cm q$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 popo;,m5ffS[/usr/local/texlive/2009/texmf-dist/fonts/opentype/public/lm/lmroman12-regular.otf]4H NanumGothicBoldNanumGothicBold) msbm10& msam10"  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;