4. Use the definition to show that the following sequences are Cauchy: (a) {3n+2}n=1 (b) {1 n=1 (c) {n-1}=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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4. Use the definition to show that the following sequences are Cauchy:
(a) {3n²+2}=1
(b) {}=1
2n
(c) {n²² +1}n=1
Transcribed Image Text:4. Use the definition to show that the following sequences are Cauchy: (a) {3n²+2}=1 (b) {}=1 2n (c) {n²² +1}n=1
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