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Mathematics
OpenStudy (anonymous):

need help with the series (2+(-1)^n)/n^(3/2). I know it is convergent but im not sure how to show it

OpenStudy (anonymous):

ratio test, and there's another test which i forgot

OpenStudy (anonymous):

n equals one to infinity

OpenStudy (anonymous):

i was trying to use the comparison test with the series ((-1)^n)/n^(3/2) but im not sure if thats correct

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