a) Prove that if k=1 ak converges, then its partial sums sn are bounded. b) Show that
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b) Show that the converse of part a) is false. Namely, show that a series ∑∞k=1 ak may have bounded partial sums and still diverge.
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a Let s n n k 1 a k If k1 a k converges then s n s for ...View the full answer
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