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The value of positive integer n for which the quadratic equation, n∑k=1(x+k−1)(x+k)=10n has solutions α and α+1 for some α∈R, is

Answer» The value of positive integer n for which the quadratic equation, nk=1(x+k1)(x+k)=10n has solutions α and α+1 for some αR, is


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