xyz=1

(1+x)(1+y)(1+z) - 2 >= 2*(((x/y)^(1/3)) * ((y/z)^(1/3)) * ((z/x)^(1/3)) )

How to proof it??

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- April 17th 2008, 12:27 PM #1

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- April 17th 2008, 12:37 PM #2

- April 17th 2008, 12:59 PM #3

- April 17th 2008, 09:07 PM #4

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