To find: A geometric power series and identify its interval of convergence. Also, write the
Answer to Problem 56E
The geometric series is
Explanation of Solution
Given information:
Concept used: The sum of infinite geometric series is given as
Calculation:
Let
Compare the given expression,
It is known that the given series converges if
Note that the power series of
So, from the power series of
Chapter 9 Solutions
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