Problem 1 (a) Prove that if the series Σ1 an is absolutely convergent, then the series n=1 n+1 an is also absolutely convergent. n=1 (1) T n 01

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 18E
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Y.7.

Problem 1 (a) Prove that if the series 1 an is absolutely convergent, then the series
an is also absolutely convergent.
n+1
(b) Let {an} be a sequence of positive terms. Show that 1 an converges if and only if
converges.
n=1
an
1+ an
Transcribed Image Text:Problem 1 (a) Prove that if the series 1 an is absolutely convergent, then the series an is also absolutely convergent. n+1 (b) Let {an} be a sequence of positive terms. Show that 1 an converges if and only if converges. n=1 an 1+ an
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