冪指函數(shù)的導(dǎo)數(shù)
冪指函數(shù)的導(dǎo)數(shù)
數(shù)學(xué)人氣：334 ℃時間：2020-05-30 02:40:22
優(yōu)質(zhì)解答
lny=xlnx y'/y=lnx+x*1/x=lnx+1 y'=(lnx+1)y=(lnx+1)x^xy'=y(lnx+1)為什么還要把y=x^x帶入呢額沒看到乘以了Y？函數(shù)哇，你這現(xiàn)在搞一個自變量就行吧
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