Let X = (xn) be a positive sequence of real numbers. Show that if x₁ + x₂ + + In Yn n then yn is always divergent (even if an converges).

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 74E
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Let X = (n) be a positive sequence of real numbers. Show
that if
x1 + x2 + + Xn
Yn
n
then yn is always divergent (even if en converges).
Transcribed Image Text:Let X = (n) be a positive sequence of real numbers. Show that if x1 + x2 + + Xn Yn n then yn is always divergent (even if en converges).
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