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March 27, 2015

Homework Help: Calculus

Posted by Luma on Saturday, October 20, 2012 at 10:50am.

I am maybe overthinking this, but what is the lim as n-> infinity of |(n+1)/(n+2)|

?

I am trying to use the ratio test to find interval of convergence for the infiinite series (n/n+1)((-2x)^(n-1))
so i did the limit of |(n+1)/(n+2)| but i am wondering if the limit is simply =1, or if it is infinity/infinity so use l'hopital's rule???
maybe i am overthinking it and the limit is just 1.
thank you for your assistance

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