Let n be an integer. Prove that n is odd if and only if 7n + 8
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Proof If n is odd then n 2k 1 for some particular integer k Then 7n 8 72k 1 8 14k 7 8 14k 15 ...View the full answer
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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