$\displaystyle (-1)^n n^n/ (n+1)to the power (n+1).$

I dont know how to show if it converges or diverges?

Any ideas?

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- Feb 13th 2010, 06:29 PMhebbyseries- Real Analysis
$\displaystyle (-1)^n n^n/ (n+1)to the power (n+1).$

I dont know how to show if it converges or diverges?

Any ideas? - Feb 13th 2010, 07:20 PMfelper
did you try the Leibniz test?

- Feb 13th 2010, 07:21 PMhebby
I need to use the AbeL test...i think, but im not sure how to use it

- Feb 15th 2010, 06:59 PMDrexel28
- Feb 15th 2010, 07:10 PMhebby
so the series converges to 0?

- Feb 15th 2010, 07:11 PMDrexel28
- Feb 16th 2010, 08:03 PMhebby
- Feb 16th 2010, 08:14 PMicemanfan
- Feb 16th 2010, 08:17 PMhebby
yes

- Feb 16th 2010, 08:30 PMicemanfan