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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Last edited by TaajManzoor; Nov 11th 2012 at 03:59 PM.
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