(a) Show that each of the following sequences (an) converges to the given limit a. You may use any result from lectures, provided that you state it clearly. (i) (ii) n →0. n² - 2n+2 2n² (iii) π + sin(n) n 1 → →π. (b) Suppose that an → ∞ and bn → →∞. Show that anbn →→∞. (c) Prove that if (an) is Cauchy then (a²) is Cauchy. [
(a) Show that each of the following sequences (an) converges to the given limit a. You may use any result from lectures, provided that you state it clearly. (i) (ii) n →0. n² - 2n+2 2n² (iii) π + sin(n) n 1 → →π. (b) Suppose that an → ∞ and bn → →∞. Show that anbn →→∞. (c) Prove that if (an) is Cauchy then (a²) is Cauchy. [
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 72E
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