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Math Help - a problem

  1. #1
    Newbie
    Joined
    Oct 2005
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    18

    a problem

    Let ABC be a triangle, AB=c, AC=b, BC=a,
    x.y.z are three positive real numbers .
    M is inside △ABC .
    Prove that :
    x.MB.MC+y.MA.MC+z.MA.MB≥min(xbc+yac+zab)
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  2. #2
    Global Moderator

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    I do not understand your problem could you provide a drawing?
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