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Determine whether each of the following series converges or not. (Name the test you use. You...

Determine whether each of the following series converges or not. (Name the test you use. You do not have to evaluate the sums of these series). Please write as large and neatly as possible in your answer for ease of reading, demonstrating all steps. Thank you.

a) Sum infinity n = 1 of square root n/n^3+1

b) Sum infinity n = 2 of 1/nln(n)

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