Determine whether the following statements are true and give an explanation or counterexample. a. Suppose that 0

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Determine whether the following statements are true and give an explanation or counterexample.

a. Suppose that 0 < ak < bk. If ∑ak converges, then ∑bk converges.

b. Suppose that 0 < ak < bk. If ∑ak diverges, then ∑bk diverges.

c. Suppose 0 < bk < ck < ak. If ∑ak converges, then ∑band ∑ck converge.

d. The Ratio Test is always inconclusive when applied to ∑ak, where ak is a rational function of k.

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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