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12 + 22 + 32 + ……………. n2 = ………….A) \(\frac{n^2(n+1)^2(2n+1)}{6}\)B) \(\frac{n(n+1)(2n+1)}{6}\)C) \(\frac{n(n+1)}{4}\)D) None |
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Answer» Correct option is (B) \(\frac{n(n+1)(2n+1)}{6}\) \(1^2+2^2+3^2\) + …… + \(n^2\) = \(\frac{n(n+1)(2n+1)}{6}\) B) \(\frac{n(n+1)(2n+1)}{6}\) |
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