设,且f是可微函数求证:

设<img src='https://img2.soutiyun.com/ask/2020-12-07/976184607293021.png' />,且f是可微函数 求证:<img src='https://img2.soutiyun.com/ask/2020-12-07/976184621721846.png' />

时间:2024-04-08 09:37:13

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