Physics
Senior High
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15
x²-6x+10=0
練習 次の2次不等式を解け。
37
(1) x²-4x+6>0
(3)
2x²+4x+3<0
(2) x²-2x+2≤0
(4) 2x² +8x+10 ≥ 0
15
ax²+bx
J
例題
11
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