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[函数] 一道原创的以泰勒多项式为背景的导数题目

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zhcosin posted 2018-3-20 12:36 |Read mode
Last edited by zhcosin 2018-3-20 13:32 1.png
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数学暗恋者,程序员,喜欢古典文学/历史,个人主页: https://zhcosin.coding.me/

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original poster zhcosin posted 2018-3-20 12:43
高中多接触的是 $\mathrm{e}^x > 1+x$与$\ln{(1+x)}<x$这样的不等式,这里是一般化的结论,在有些时候,如果$n=1$时的不等式放缩仍然不够,就可以考虑使用$n=2,3$的不等式来放缩,只是嘛,你把这个结论先证明一下就行了。

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