Hi, here is a problem involving summing a series involving a complex equation.

Sum this series:

where for

I'm not exactly sure how to start this question.

Please help, BG

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- Jul 28th 2009, 06:55 AMBG5965Summing a complex series
Hi, here is a problem involving summing a series involving a complex equation.

Sum this series:

where for

I'm not exactly sure how to start this question.

Please help, BG - Jul 28th 2009, 07:06 AMJester
- Jul 28th 2009, 07:07 AMBG5965
Sorry, but what does telescopic mean, in terms of maths?

- Jul 28th 2009, 07:10 AMJester
- Jul 28th 2009, 01:38 PMrowe
- Jul 28th 2009, 02:22 PMJester
- Jul 29th 2009, 03:21 AMrowe
Interestingly, what happens when this becomes an infinite series? That is,

I'm guessing it gets closer and closer to 1 since , so a = 1. - Sep 1st 2009, 06:29 AMBG5965
So does that mean the answer is:

I'm a little confused... - Sep 1st 2009, 12:01 PMDefunkt
- Sep 8th 2009, 07:00 AMBG5965
So its:

?

Also, how did you get from:

to using ?

Thanks, BG