Any help with these two would be highly appreciated! xx

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- Mar 16th 2013, 10:52 AMraggie29Convergence help
Any help with these two would be highly appreciated! xx

- Mar 16th 2013, 11:37 AMKanwar245Re: Convergence help
For the first one, divide both numerator and denominator by n^3, and then see what happens when n goes to infinity. You should get -2 as your answer.

For the second one, use absolute convergence to see if that series converges, if it does that this series would also converge