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[Title]
ax^2=-kit

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[Problem]
2B

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OFF


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% ŏprocessƂsC̎̍svZߒĂB
[Level1]
x^2+b=0, x^2=-b

$x^2+1=0$

$x=\pm \,i$

$x^2+2=0$

$x=\pm \sqrt{2}\,i$

$x^2+3=0$

$x=\pm \sqrt{3}\,i$

$x^2+4=0$

$x=\pm 2\,i$

$x^2+8=0$

$x=\pm 2\sqrt{2}\,i$

$x^2+9=0$

$x=\pm 3\,i$

$x^2+12=0$

$x=\pm 2\sqrt{3}\,i$

$x^2+15=0$

$x=\pm \sqrt{15}\,i$

$x^2+16=0$

$x=\pm 4\,i$

$x^2+18=0$

$x=\pm 3\sqrt{2}\,i$

$x^2+20=0$

$x=\pm 2\sqrt{5}\,i$

$x^2+24=0$

$x=\pm 2\sqrt{6}\,i$

$x^2+25=0$

$x=\pm 5\,i$

$x^2+27=0$

$x=\pm 3\sqrt{3}\,i$

$x^2+28=0$

$x=\pm 2\sqrt{7}\,i$

$x^2=-1$

$x=\pm \,i$

$x^2=-2$

$x=\pm \sqrt{2}\,i$

$x^2=-3$

$x=\pm \sqrt{3}\,i$

$x^2=-4$

$x=\pm 2\,i$

$x^2=-8$

$x=\pm 2\sqrt{2}\,i$

$x^2=-9$

$x=\pm 3\,i$

$x^2=-12$

$x=\pm 2\sqrt{3}\,i$

$x^2=-15$

$x=\pm \sqrt{15}\,i$

$x^2=-16$

$x=\pm 4\,i$

$x^2=-18$

$x=\pm 3\sqrt{2}\,i$

$x^2=-20$

$x=\pm 2\sqrt{5}\,i$

$x^2=-24$

$x=\pm 2\sqrt{6}\,i$

$x^2=-25$

$x=\pm 5\,i$

$x^2=-27$

$x=\pm 3\sqrt{3}\,i$

$x^2=-28$

$x=\pm 2\sqrt{7}\,i$







[Level2]
ax^2+b=0, ax^2=-b()





$4x^2=-1$

$x=\pm \nfrac{1}{2}\,i$

$9x^2=-1$

$x=\pm \nfrac{1}{3}\,i$

$16x^2=-1$

$x=\pm \nfrac{1}{4}\,i$

$25x^2=-1$

$x=\pm \nfrac{1}{5}\,i$

$36x^2=-1$

$x=\pm \nfrac{1}{6}\,i$

$49x^2=-1$

$x=\pm \nfrac{1}{7}\,i$

$9x^2=-4$

$x=\pm \nfrac{2}{3}\,i$

$25x^2=-4$

$x=\pm \nfrac{2}{5}\,i$

$49x^2=-4$

$x=\pm \nfrac{2}{7}\,i$

$4x^2=-9$

$x=\pm \nfrac{3}{2}\,i$

$16x^2=-9$

$x=\pm \nfrac{3}{4}\,i$

$25x^2=-9$

$x=\pm \nfrac{3}{5}\,i$

$49x^2=-9$

$x=\pm \nfrac{3}{7}\,i$

$9x^2=-16$

$x=\pm \nfrac{4}{3}\,i$

$25x^2=-16$

$x=\pm \nfrac{4}{5}\,i$

$49x^2=-16$

$x=\pm \nfrac{4}{7}\,i$

$4x^2=-25$

$x=\pm \nfrac{5}{2}\,i$

$9x^2=-25$

$x=\pm \nfrac{5}{3}\,i$

$16x^2=-25$

$x=\pm \nfrac{5}{4}\,i$

$36x^2=-25$

$x=\pm \nfrac{5}{6}\,i$

$49x^2=-25$

$x=\pm \nfrac{5}{7}\,i$

$25x^2=-36$

$x=\pm \nfrac{6}{5}\,i$

$49x^2=-36$

$x=\pm \nfrac{6}{7}\,i$

$4x^2=-49$

$x=\pm \nfrac{7}{2}\,i$

$9x^2=-49$

$x=\pm \nfrac{7}{3}\,i$

$16x^2=-49$

$x=\pm \nfrac{7}{4}\,i$

$25x^2=-49$

$x=\pm \nfrac{7}{5}\,i$

$36x^2=-49$

$x=\pm \nfrac{7}{6}\,i$

$4x^2+1=0$

$x=\pm \nfrac{1}{2}\,i$

$9x^2+1=0$

$x=\pm \nfrac{1}{3}\,i$

$16x^2+1=0$

$x=\pm \nfrac{1}{4}\,i$

$25x^2+1=0$

$x=\pm \nfrac{1}{5}\,i$

$36x^2+1=0$

$x=\pm \nfrac{1}{6}\,i$

$49x^2+1=0$

$x=\pm \nfrac{1}{7}\,i$

$9x^2+4=0$

$x=\pm \nfrac{2}{3}\,i$

$25x^2+4=0$

$x=\pm \nfrac{2}{5}\,i$

$49x^2+4=0$

$x=\pm \nfrac{2}{7}\,i$

$4x^2+9=0$

$x=\pm \nfrac{3}{2}\,i$

$16x^2+9=0$

$x=\pm \nfrac{3}{4}\,i$

$25x^2+9=0$

$x=\pm \nfrac{3}{5}\,i$

$49x^2+9=0$

$x=\pm \nfrac{3}{7}\,i$

$9x^2+16=0$

$x=\pm \nfrac{4}{3}\,i$

$25x^2+16=0$

$x=\pm \nfrac{4}{5}\,i$

$49x^2+16=0$

$x=\pm \nfrac{4}{7}\,i$

$4x^2+25=0$

$x=\pm \nfrac{5}{2}\,i$

$9x^2+25=0$

$x=\pm \nfrac{5}{3}\,i$

$16x^2+25=0$

$x=\pm \nfrac{5}{4}\,i$

$36x^2+25=0$

$x=\pm \nfrac{5}{6}\,i$

$49x^2+25=0$

$x=\pm \nfrac{5}{7}\,i$

$25x^2+36=0$

$x=\pm \nfrac{6}{5}\,i$

$49x^2+36=0$

$x=\pm \nfrac{6}{7}\,i$

$4x^2+49=0$

$x=\pm \nfrac{7}{2}\,i$

$9x^2+49=0$

$x=\pm \nfrac{7}{3}\,i$

$16x^2+49=0$

$x=\pm \nfrac{7}{4}\,i$

$25x^2+49=0$

$x=\pm \nfrac{7}{5}\,i$

$36x^2+49=0$

$x=\pm \nfrac{7}{6}\,i$




[Level3]


[Level4]


[Level5]


[Level6]


[Level7]




[EOF]

