Mathematics
Senior High
なんでlogx^2になるのかがわからないです
y=logx の両辺に対数をとって
logy = log (xlog.x) = (log.x)2)
両辺をxで微分すると
y'
1
1/7 = 2log.xx
y = y( 2logx)
y'=xlogx. 2log.x
X
log
y' = 2(x¹⁰*) log.x
20
y' = 2xlog x-1 logx
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