3. Suppose the sequence of partial sums for the series an is given by the expression Sk k where Sk = Σα n=1 an. n=1 n=1 = 4k:³ 5k³+1 (a) Does the series an converge or diverge? If it converges, to what value does it converge? (b) Does the sequence {an} converge or diverge? If it converges, to what value does it converge?

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