INEQUALITY'S BLOG

July 26, 2010

(Van Khea):Problem 010

Filed under: the new math — KKKVVV @ 6:30 pm

Let: 0<a<4. Prove that:

\displaystyle \frac{1}{(4-a)^{3}}+\frac{1}{a^{2}}+\frac{1}{5-a}\geq 0

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