Answer
$\frac{907}{495}$
Work Step by Step
$\frac{8-1}{8+1} + \frac{8-2}{8+2} +\frac{8-3}{8+3}$
$= \frac{7}{9} + \frac{6}{10} + \frac{5}{11}$
Taking LCD,
$= \frac{770+594+450}{990}$
$= \frac{1814}{990}$
$=\frac{907}{495}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Section 11.2 - Arithmetic and Geometric Sequences - Exercise Set - Page 647: 63
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