Consider the three infinite series below. (n + 1) (n² – 1) 5(-4)"+2 32n+1 (-1)"–1 00 (i) (ii) (iii) 5n 473 – 2n + 1 n=1 n=1 n= (a) Which of these series is (are) alternating? (b) Which one of these series diverges, and why? (c) One of these series converges absolutely. Which one? Compute its sum.

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