To find: The sum of the given infinite series if it exists.
Answer to Problem 10.12EP
The sum of the given infinite series is 80.
Explanation of Solution
Given:
The given sequence is
Calculation:
The formula for the sum of an infinite geometric series with
Sun will exist if the common ratio is between
Find the common ratio as follows.
The ratio is
Substitute 20 for
Therefore, the sum of the given infinite series is 80.
Chapter SH Solutions
Glencoe Algebra 2 Student Edition C2014
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