Discrete Mathematics with Applications 4th Edition

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

Chapter 5 - Sequences, Mathematical Induction, and Recursion - Exercise Set 5.1 - Page 243: 24

Answer

$1$

Work Step by Step

The lower limit of $j$ is $0$ and the upper limit is also $0$. Thus, evaluate the given summation for $j=0$ to obtain: $=(0+1) \cdot 2^0 \\=1 \cdot 1 \\=1$
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