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[不等式] 请教一道不等式题目

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数学小黄 posted 2014-6-3 23:30 |Read mode
Last edited by hbghlyj 2025-4-7 09:09已知 $a, b, c>0, a b c=1$,求证 $\frac{1}{\sqrt{1+a}}+\frac{1}{\sqrt{1+b}}+\frac{1}{\sqrt{1+c}} \leq \frac{3 \sqrt{2}}{2}$

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kuing posted 2014-6-3 23:36

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original poster 数学小黄 posted 2014-6-9 14:49
厉害

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其妙 posted 2014-6-9 18:53
回复 3# 数学小黄
蒋明斌的得意之作,估计会成为“不等式证明”中的一个重要历史事件。

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hbghlyj posted 2023-4-18 10:08

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kuing posted 2023-4-18 12:54
hbghlyj 发表于 2023-4-18 10:08
对不起,该文档已被删除
应该还是《一道西部数学奥林匹克赛题的溯源与推广》吧:
hkame.org.hk/uploaded_files/magazine/24/248.pdf

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