Mathematics
Senior High
Solved
この問題の(x-2)(x＋2)がどうやって出たのか教えてください😭😭
336 次の関数の増減を調べよ。
(1)
f(x)=x-12x+8
f'(x2=3x²² - 12
=3x(x-2)(x+2)
X=±2
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なるほど！
ありがとうございます！