INEQUALITY'S BLOG

November 22, 2010

Problem 64: van khea

Filed under: Uncategorized — KKKVVV @ 1:03 am

8) Let a, b, c be positive real numbers and satisfying abc=8. Prove that:
\displaystyle \frac{a^3\sqrt{b+c}}{a+b}+\frac{b^3\sqrt{c+a}}{b+c}+\frac{c^3\sqrt{a+b}}{c+a}\geq 12

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