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[不等式] 一个多元不等式

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ljh25252 posted 2021-10-19 09:18 |Read mode
$\frac{x_1^{x_2}+x_2^{x_3}+\cdots+x_n^{x_1}}{n}\geqslant\dfrac{n}{\frac{1}{x_1}+\frac{1}{x_2}+\cdots+\frac{1}{x_n}}$
其中$x_1,x_2,\cdots,x_n>0$.
你看不见我

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isee posted 2021-10-19 10:12
回复 1# ljh25252


哈哈哈,一眼闪过去,还以为题中打少了代码(即式子不完全),路过路过~

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hbghlyj posted 2023-9-4 00:39
Last edited by hbghlyj 2024-9-17 02:32已转帖MSE

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