Series of squares Prove that if ∑ak is a convergent series of positiveterms, then the series ∑a2k also converges.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 49RE
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Series of squares Prove that if ∑ak is a convergent series of positive
terms, then the series ∑a2k also converges.

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