INEQUALITY'S BLOG

August 13, 2011

Problem 274 Van Khea

Filed under: Problem by Van Khea — KKKVVV @ 9:56 am

Let a, b, c>0\& a+b+c=3. Prove that:

a^2\sqrt{1+bc}+b^2\sqrt{1+ca}+c^2\sqrt{1+ab}\geq 3\sqrt{2}

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