To find the sum of the infinite geometric series

Answer to Problem 70E
Explanation of Solution
Given information :
Let the infinite geometric series be defined as
Concept used:
In a sequence
So, a number r is defined as the common ratio of the geometric sequence if
The sum of an infinite geometric series
Calculations:
Here,
Hence,
Chapter 9 Solutions
EBK PRECALCULUS W/LIMITS
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