【y=(4-x3+Inx)(cosx+sinx)请讲这道题求导,x3是x的3次方,】
<p>问题：【y=(4-x3+Inx)(cosx+sinx)请讲这道题求导,x3是x的3次方,】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">黄同成的回答：<div class="content-b">网友采纳 y′=[(4-x³+Inx)(cosx+sinx)]′=(4-x³+Inx)′(cosx+sinx)+(4-x³+Inx)(cosx+sinx)′=(4′-x³′+Inx′)(cosx+sinx)+(4-x³+Inx)(cosx′+sinx′)=(-3x²+1/x)(cosx+sinx)+(4-x³+Inx)(...
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