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Thread: Inequality ..

  1. January 31st 2010, 09:05 AM #1
    Perelman
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    Inequality ..

    Hi ,

    x , y and z real numbers positive , with x+y+z=4 . prove That :

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  2. January 31st 2010, 01:41 PM #2
    Perelman
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    Can you help me ??
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