How do you find the sum of sum from n=0 to infinity of (n(-2)^n)/(2^n).

Do I use alternating series test and geometric series?

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- Oct 24th 2012, 03:38 PMPreston019Series Problem
How do you find the sum of sum from n=0 to infinity of (n(-2)^n)/(2^n).

Do I use alternating series test and geometric series? - Oct 24th 2012, 04:04 PMPlatoRe: Series Problem
- Oct 24th 2012, 05:58 PMPreston019Re: Series Problem
- Oct 24th 2012, 07:12 PMProve ItRe: Series Problem
Yes, any series with terms that do not go to 0 is divergent.