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    #1

    Mar 17, 2007, 07:02 PM
    Discrete math
    prove that n^2+1 is not divisible by 6 for any integer n.

    prove that x^4-3x^2+7=0 has no real solution
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    J_9 Posts: 40,298, Reputation: 5646
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    Mar 17, 2007, 07:11 PM
    Please read this announcement. Regarding homework.
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