The problem says to find the limit of the sequence. an = (-1)n * (3n + e-n/5n)
I'm not sure how to approach this problem. Do I use the ratio test?
I apologize for the formatting. I'm not sure how to make the fraction look nice
Last edited by NeedsHelpPlease; July 26th 2012 at 09:01 AM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by NeedsHelpPlease The problem says to find the limit of the sequence. an = (-1)n * 3n + e-n/5n We cannot help if we cannot read the question.
Last edited by Plato; July 26th 2012 at 07:41 AM.
And the "ratio test" is a test for convergence of a series, not a sequence.
Actually there is a ratio test for sequences as well.
For a sequence , the ratio test states
View Tag Cloud