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Hello. I have the following problem in the textbook: I am having a little troubl

ID: 2851949 • Letter: H

Question

Hello. I have the following problem in the textbook:

I am having a little trouble understanding step 2 in the problem. I would appreciate it if someone could go through this in more detail. Thanks.

Step 1 of 2 Consider the infinite series Using the formula a -(a-b(a+b). to get 1n-1(n+1 Recollect the series an , +a, +a, + , let s" denote its nth partial sum: i-1 If the sequence {s"} is convergent and lims" = s exists as a real number, then the series an is convergent and the sum of the series is al+a,+a,+ +q, +...-s or ,=s

Explanation / Answer

Hello. I have the following problem in the textbook: I am having a little troubl