Answer
The series has no sum because $|r|=\frac{6}{5}\gt1$
Work Step by Step
$a_1=-\frac{125}{36}$
$r=\frac{a_2}{a_1}=\frac{\frac{25}{6}}{-\frac{125}{36}}=-\frac{6}{5}$
$|r|=\frac{6}{5}\gt1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.3 - Geometric Sequences and Series - 11.3 Exercises - Page 796: 78
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