Mathematics
Senior High
解説お願いしますm(_ _)m
188 次の2次式を,複素数の範囲で因数分解せよ。
(1) 2x2-17x-69
*(4)x2+4
(2)x2-2x-1
(5) 2x2+4x-1
*(3) x2-2x+2
(6) 2x2-3x+2
p.51
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