Mathematics
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
(イ)√(エオ) -1±√ITi
(カ)
2
キク
ケ
9
コサ士へ
(キク)
(ケ)
1/3
シス
である。
(1-21
S
(コサ)±√(シス) 1±√17
-1+√
(セ)
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