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Math Help - Proving algebraically 3 inequalities don't hold

  1. #1
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    Proving algebraically 3 inequalities don't hold

    I want to prove algebraically for x,y [0,1] that all three CANNOT simultaneously hold.

    6-6x-6y+3xy≤0
    6-15x-15y+30xy
    ≤0
    -3+3x+3y+3xy
    ≤0

    Thanks in advance.

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  2. #2
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    Re: Proving algebraically 3 inequalities don't hold

    dot
    Last edited by TaajManzoor; November 11th 2012 at 04:59 PM.
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