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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
14 Nov 2021

Given information

It is given that  is convergent.

Step-by-step explanation

Step 1.

It is given that the series, is convergent.

 

That implies that the radius of convergence of the series,  is at least 4. 

 

Thus, the series is at least convergent in .

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