微分中值定理证明

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1、微分中值定理证明篇一：微分中值定理的证明及应用微分中值定理的证明及应用摘要：文章首先介绍了微分中值定理证明时的一种规律性简明方法，即通过构造辅助函数来达到罗尔定理的条件以便利用罗尔定理来证明其他微分中值定理，并且就用这种方法证明了拉格朗日中值定理和柯西中值定理。然后分类列举微分中值定理在证明等式、不等式、求极限以及在讨论方程根的存在性方面的应用，而且微分中值定理即罗尔中值定理、拉格朗日中值定理、柯西中值定理、泰勒中值定理在不同的解题应用方面是各有优劣的，又是相互互补渗透的，因此我们在解题时也要学会综合运用它们。关键词：罗尔定理拉格朗日中值定理柯西中

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