Cho $x,y,z>0$. CMR:
$\frac{xy}{z}+\frac{yz}{x}+\frac{zx}{y}\geq\sqrt[3]{9(x^3+y^3+z^3)}$
Edited by mrjackass, 07-10-2013 - 16:46.
$\frac{xy}{z}+\frac{yz}{x}+\frac{zx}{y}\geq\sqrt[3]{9(x^3+y^3+z^3)}$
Started By mrjackass, 07-10-2013 - 16:45
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Posted 07-10-2013 - 16:45
mrjackass
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