Answer
True.
Work Step by Step
True.
1. The left half of the inequality is equivalent to $2a\lt a+b$ or $a\lt b$ which is true.
2. The right half of the inequality is equivalent to $a+b\lt 2b$ or $a\lt b$ which is also true.
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
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 4.2 - Page 169: 19
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