Mean Value Theorem. Go over Homework 3.

复习3平均值定理。讨论作业3。

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Theorem 1 if is differentiable at, and is a local extreme value of, then.

定理1设函数在处可导，且在处取得极值，那么。

youdao

Theorem 1 if is differentiable at, and is a local extreme value of, then.

定理1设函数在处可导，且在处取得极值，那么。

youdao