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[不等式] 一个多元不等式的猜想

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lemondian posted 2024-1-22 10:31 |Read mode
已知$a_i(i=1,2,\cdots ,n)$为正数,$n\inN,n\geqslant 2$,证明或否定:$a_1^n+a_2^n+\cdots +a_n^n+a_1a_2\cdots a_n+3n-1\geqslant (n+1)(a+b+c)$

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右边打错了  posted 2024-1-22 14:23
这个不等式应该有问题,容我再想想😂  posted 2024-1-22 18:34

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