## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 12 Sequences and Series - 12.4 Find Sums of Infinite Geometric Series - 12.4 Exercises - Skill Practice - Page 823: 19

No sum

#### Work Step by Step

Here, we have $a_n= a_1 r^{n-1}$ for the Geometric series. In this problem we have Common ratio $r=\dfrac{7}{2}$ The sum of an infinite Geometric Series can be found using: $S_n=\dfrac{a_1}{1-r}$ Here, $r=\dfrac{7}{2} \gt 1$ Thus, there is no sum, that is $S_n=0$.

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