Cho $x, y, z >0$ sao cho $xyz= 3$. Chứng minh $x^{\frac{1}{x}}y^{\frac{1}{y}}z^{\frac{1}{z}} \leq 3^{\frac{xy+yz+xz}{9}}$
Edited by xxSneezixx, 12-10-2013 - 18:48.
$x^{\frac{1}{x}}y^{\frac{1}{y}}z^{\frac{1}{z}} \leq 3^{\frac{xy+yz+xz}{9}}$
Started By xxSneezixx, 12-10-2013 - 18:47
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Posted 12-10-2013 - 18:47
xxSneezixx
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