Question: 1. Prove that 1 . 3+2 . 4+3 . 5+ + n(n+ 2) = n(n+1)(2n+7) 6 for every positive integer n

1. Prove that 1 . 3+2 . 4+3 . 5+ +

n(n+ 2) = n(n+1)(2n+7) 6 for every positive integer n

1. Prove that 1 . 3+2 . 4+3 . 5+ + n(n+ 2) = n(n+1)(2n+7) 6 for every positive integer n

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