$a,b,c>0$. CMR:
$a^3+b^3+c^3+3abc \geq a^2\sqrt[3]{4(b^3+c^3)}+b^2\sqrt[3]{4(c^3+a^3)}+c^2\sqrt[3]{4(a^3+b^3)}$
$a^3+b^3+c^3+3abc \geq a^2\sqrt[3]{4(b^3+c^3)}+b^2\sqrt[3]{4(c^3+a^3)}+c^2\sqrt[3]{4(a^3+b^3)}$
Started By mrjackass, 07-10-2013 - 00:24
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