Mathematics
Senior High
Resolved
答え合わせをお願いします。
計算問題です。
P. 10
練4
(¹) X² - 1 = (x³²+1) (x²-1)
= (x + 1) (K² - x + 1) (X− 1)(x ² + x + 1)
= (x + 1) (x - 1)(x² - X + 1) (X² + x + 1)
(2) a² + a²li't sh" = (a²³ + 8h³) (a³+l²)
A²+ 9AD+ 8 B
(a +2h) (a²-20h+4h) (a+h) (a= ah+l)
= (a+h) (a+h) (aª-Jah +4h) (a²-ah+l²)
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ありがとうございます!