Prove that 30 divides n9 n for every nonnegative integer n.

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Prove that 30 divides n9 − n for every nonnegative integer n.

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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 12:27 PM

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Prove that 30 divides n9 n for every nonnegative integer n.

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Maple tells us that this is true namely that n 9 n mod 30 0 for all n we need only check n from 0 ...View the full answer

Discrete Mathematics and Its Applications

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