Prove {(8n-5)/n} n=1 to infinity, is a Cauchy sequence in R with the usual metric dR(x,y) = abs(x-y)

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
Question

Prove {(8n-5)/n} n=1 to infinity, is a Cauchy sequence in R with the usual metric dR(x,y) = abs(x-y)

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