The problem says to find the limit of the sequence. a_{n} = (-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.
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Originally Posted by NeedsHelpPlease The problem says to find the limit of the sequence. a_{n} = (-1)^{n }* 3n + e^{-n}/5n We cannot help if we cannot read the question. Is it
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
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