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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?
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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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