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[Post New]11 May 2008 18:03:38 IST
    Subject: Prove by PMI that:n^7/7+n^5/5+2n^3/3-n/105 is an integer, n is a + integer.
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mukundmadhav (460)

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Olaaa!! Perrrfect answer. 74  [119 rates]
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Is your source by any chance, Challenges and Thrills of pre-colllege mathematics?
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