Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - 11.1 - Sequences and Series - 11.1 Exercises - Page 778: 80


$\displaystyle \sum_{i=1}^{15}\frac{5}{1+i}$

Work Step by Step

$\frac{5}{1+1}+\frac{5}{1+2}+\frac{5}{1+3}+...+\frac{5}{1+15}=\displaystyle \sum_{i=1}^{15}\frac{5}{1+i}$
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