Mathematics
Senior High
Solved
最後の式の2XのlogX-1乗でなぜ-1があるんですか?
解説をお願いします🙇♂️
(2) y = x log x
d
d (log y) = {(log x 1² ₁
dx
20/20
真数条件 x>0
= 2 (log x)!!
X
loge x log x
y = 2 (log X)⋅ = ⋅ x logx ←y
X
⇒ y = 2x logx-1 log x
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