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文[1]给出了不等式——>壬(nEN且n>2)的一种证法.下面给出此不等式的一种简单证法.证明为证原不等式先证下式,综合1”,2”可知(1)式成立,从而原不等式成立.运用上面的方法,不难得到以下两个不等式:命题置若nEN且n>2,则nlthe证明1”当n一2时,左边2”当n>3时
[1] gives a proof of inequality->壬(nEN and n>2). A simple proof of this inequality is given below. The proof proves that the original inequality proves the following formula, and the comprehensive 1“, 2” shows that formula (1) is established, so that the original inequality is established. Using the above method, it is not difficult to get the following two inequalities: If the proposition is set to nEN and n>2, then nlthe proves that 1” when n is 2, left 2” when n>3