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[不等式] 二元不等式的推广

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大佬最帅 posted 2022-9-21 13:24 |Read mode
$a_{i}\in \left [ 0,1 \right ],i= 1,2,\dots ,n,\sum_{i= 1}^{n}a_{i}^{a_{i}}\ge \sum_{i=1}^{n}a_{i}^{x_{i}},其中x_{i}是a_{i}$的一个排列,其二元形式:$0\le a,b\le 1,a^{a}+  b^{b}\ge a^{b}+  b^{a}$,有如下证明
微信图片_20220921132333.jpg 微信图片_20220921132339.jpg 那么,是否可以仿照证明n元

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