meili 发表于 2022-10-27 15:41:08

函数f(x)=x(x-1)(x-2)(x-3)…(x-2023)在x=0处的导数值为______.

<p>问题:函数f(x)=x(x-1)(x-2)(x-3)…(x-2023)在x=0处的导数值为______.
<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">曹广益的回答:<div class="content-b">网友采纳  ∵f′(x)=(x-1)(x-2)…(x-2009)+x(x-2)…(x-2009)+x(x-1)(x-3)…(x-2009)+…+x(x-1)(x-2)…(x-2008),  ∴f′(0)=-1×(-2)×…×(-2009)=-2009!  故答案为-2009!.
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