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3a
Problem

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Textbook Expert
Textbook ExpertVerified Tutor
8 Nov 2021

Given information

and   are series with positive terms and is convergent.

Step-by-step explanation

Step 1.

Since is convergent, therefore there exists  such that .

Now,

 

Here, it may be that either or .

Thus, convergence/divergence of can’t be concluded.

 

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