Answer
The series has no sum because $|r|=3\gt1$
Work Step by Step
$a_1=\frac{1}{9}$
$r=\frac{a_2}{a_1}=\frac{-\frac{1}{3}}{\frac{1}{9}}=-3$
$|r|=3\gt1$
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: 77
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