Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 4 - Elementary Number Theory and Methods of Proof - Exercise Set 4.1 - Page 163: 57


This statement is false. Consider $2$ and $8$

Work Step by Step

Consider $2$ and $8$. Their product is $16,$ a perfect square ($4^2$). However, neither $2$ nor $8$ are perfect squares.
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