The series > n=1 1 (a) converges because lim = 0. n0 Vn (b) diverges because lim = 0. (c) converges because it is a p-series with p = 1/2. (d) diverges because it is a p-series with p= 1/2.

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A: To give an example for: ∑an converges but ∑ an diverges.

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A: I have used the definition of interval of convergence

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A: This is a problem related to series and sum calculation. Please follow the procedure given below.

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