Japanese classics
Senior High
お願いします
また3次方程式 6x3+5x2-5x-2=0の解はx=-
解答 (ア) 2
(ウ) (エオ) -1±√lIi
(カ)
2
キク
ケ
コサシス
(キク)
(ケ)
セ
である。
CR-21 (²³²
(= √(-1
2
(コサ)±√(シス) 1±√17
(セ)
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