INEQUALITY'S BLOG

July 26, 2010

(Van Khea): Problem 007

Filed under: Uncategorized — KKKVVV @ 5:44 pm

Let a, b, x, y, p, q>0. Prove that:

\displaystyle \frac{x^{3}}{pa}+\frac{y^{3}}{qb}\geq \frac{(x+y)^{3}}{(p+q)(a+b)}

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