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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
9 Nov 2021

Given information

Given series 

Step-by-step explanation

Step 1.

Rewrite the given series as  

Observe that a series  is called absolutely convergent if the series of absolute values is convergent.

Take the absolute value of the series, determine whether the series converges or not.

Observe the series converges if 

 for all   

Compare to the above form of series then,  

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