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The number of positive integers n in the set {1, 2, 3, .......100} for which the number `(1^(2)+2^(2)+3^(2)+......+n^(2))/(1+2+3+......+n)` is an integer isA. 33B. 34C. 50D. 100 |
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Answer» Correct Answer - D `(a^(n)+b^(n)+c^(n)+....)/(a+b+c+....)` is always an integer is n = odd n=7 odd here |
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