设f(x)在上连续,且,证明

设f(x)在<img src='https://img2.soutiyun.com/ask/2021-02-02/981108508925152.png' />上连续,且<img src='https://img2.soutiyun.com/ask/2021-02-02/98110851624057.png' />,证明 <img src='https://img2.soutiyun.com/ask/2021-02-02/981108523349977.png' />

时间:2023-06-20 17:33:57

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