INEQUALITY'S BLOG

November 30, 2010

van khea

Filed under: the new math — KKKVVV @ 10:26 pm

Let a, b, c, r, s be positive real numbers such that a\leq b\leq c or a\geq b\geq c. Prove that:

a^{r+s}+b^{r+s}+c^{r+s}\geq a^rb^s+b^rc^s+c^ra^s

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