Prove that for every positive integer n, 1 2 + 2 3+ +n(n +

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Prove that for every positive integer n,
1 · 2 + 2 · 3+· · ·+n(n + 1) = n(n + 1)(n + 2)/3.

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 02, 2016 12:28 PM

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Prove that for every positive integer n, 1 2 + 2 3+ +n(n +

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The base case of the statement Pn 122 3 nn 1 nn ln 2...View the full answer

Discrete Mathematics and Its Applications

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