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<p>令<img src="https://img1.ph.126.net/JyBqW6G0uTdylXaGQOtlqA==/6632022141791537704.png" />,则<img src="https://img2.ph.126.net/OoIZANW0l1CRHWbMIAjzEQ==/6631979260838053769.png" />,且<img src="https://img1.ph.126.net/gyhKhr75XprOsz_NeaDhIQ==/6608442015422148028.png" />在<img src="https://img0.ph.126.net/q2XQQM3QAZP1PE20S87ghw==/2676545553642001155.png" />上满足罗尔定理的条件,故存在<img src="https://img1.ph.126.net/P3Tem-x6U39yWpbTIaxHOQ==/124974889759833331.png" />,满足<img src="https://img1.ph.126.net/Tu5l9eFTZ0i7hHikOvsCpA==/6597859216007254855.png" />,即<img src="https://img2.ph.126.net/y4pVcz2Cn5RhaBikJ1olww==/6608812550841333395.png" />。</p>添加评论
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谢谢,明白了。就是自己把自己限制住了。添加评论