Prove that n3 + 5n is divisible by 6 for all n N.

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Prove that n3 + 5n is divisible by 6 for all n ∈ N.

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Introduction to Real Analysis

ISBN: 978-0471433316

4th edition

Authors: Robert G. Bartle, Donald R. Sherbert

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Question Posted: Apr 07, 2016 10:51 AM

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The product of any three consecutive natural numbers is divisible by 6. Explain why.
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Prove that n3 + 5n is divisible by 6 for all n N.

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If n 1 then 1 3 5 1 6 is divisible by 6 If k ...View the full answer

Introduction to Real Analysis

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