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January 30th, 2013, 12:43 PM   #1
Joined: Jan 2013

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how can solve this series?

Hi all,

I have to study the convergence of this series:

I know (from wolfram) that for the comparison test the series converges (in particularly to 1,4427)

I know that if I find a new series, b(k), such that for all k b(k)>a(k) then if b(k) converges also a(k) converges.. but what is b(k)? and what is the right method to find it?

thanks to all, and I'm sorry for my bad english
elviro is offline  
January 30th, 2013, 03:35 PM   #2
Joined: Mar 2011

Posts: 49
Thanks: 5

Re: how can solve this series?

The partial sum for this serie is
by telscoping :
The sum of the serie is:
MOHAMED_AIT_LH is offline  

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