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Math Help - proving

  1. #1
    Newbie
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    Jul 2009
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    proving

    can u guys help me with this? any theorem?
    i had no idea...;( let a,b,c be positive real numbers such that abc=1. prove that




    1 / ((a^3)(b+c)) + 1/ ((b^3)(a+c)) + 1/((c^3)(b+a)) >= 3/2
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  2. #2
    MHF Contributor red_dog's Avatar
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