Let (pn)neN be a strictly increasing sequence of positive integers and x be a positive real number. Prove that the series xP1 + xP2 + · + xPn + • converges when x < 1 and diverges when x >1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 34E
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Let (pn)neN be a strictly increasing sequence of positive integers and x be a
positive real number. Prove that the series
xP1 + xP2 + .+ xPn + •
converges when x <1 and diverges when x > 1
Transcribed Image Text:Let (pn)neN be a strictly increasing sequence of positive integers and x be a positive real number. Prove that the series xP1 + xP2 + .+ xPn + • converges when x <1 and diverges when x > 1
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