Determine whether each of the following absolutely converges, converges but not absolutely, or diverges:

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- Mar 29th 2009, 12:34 AMMy Little PonyConvergence, Absolute Convergenge and Divergence
Determine whether each of the following absolutely converges, converges but not absolutely, or diverges:

- Mar 29th 2009, 01:39 AMmr fantastic
- Mar 29th 2009, 03:04 AMMy Little Pony
I think I got number 1.

From the limit test, we end up getting:

(-7)^n as n approaches infinity. Since this does not approach a number, it is divergent? - Mar 29th 2009, 03:09 AMMy Little Pony
Also number 4 fails the test for divergence, because as n approaches infinity, the limit is 0. Therefore, it is convergent?