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[不等式] 不等式

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flvbin Posted at 2025-1-24 16:40:27 |Read mode
已知:a,b,c>0,且满足a+b+c+abc=4,证明:
$ \frac{1}{\sqrt{a+b+7c}}+\frac{1}{\sqrt{b+c+7a}} +\frac{1}{\sqrt{c+a+7b}}\geqslant 1$

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hbghlyj Posted at 2025-3-9 03:26:15
看起来这个题目和之前的题有点类似,都是给定a + b + c + abc = 4的条件

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2025-4-20 22:18 GMT+8

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