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Mathematics 13 Online
OpenStudy (anonymous):

determine if the series (-1)^n 3n-1/2n+1 converges or diverges. i know of the alternating series test and the ratio test, but neither are helping me reach a conclusion?

OpenStudy (anonymous):

Consider checking the limit of the sequence. What is \[\lim_{n\to\infty}(-1)^n\frac{3n-1}{2n+1}~~?\]

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