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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
11 Nov 2021

Given information

The given series is   .

Step-by-step explanation

Step 1.

First obtain the expression for the term of the series by expanding it using the method of partial fraction.

 

 

Use the expanded term to obtain the sum of n terms of the series.  

 

   Now evaluate the value of .

  

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