6. (a) A sequence {anneN is said to be bounded if there exists M > 0 such that an M for any n E N (i) Let {an)neN and {bn)neN be two sequences such that {an)neN is bounded and lim bn = 0. Prove that lim anbn = 0 84x 81x * Give a counterexample to (a)(i) when {anneN is not bounded. That is, {an}neN and {bn}neN are two sequences such that lim bn = 0, but lim anbn # 0 n→∞ n→∞ (b) By part (a)(i), evaluate lim 81x (sin n) (2n-1) n² +1
6. (a) A sequence {anneN is said to be bounded if there exists M > 0 such that an M for any n E N (i) Let {an)neN and {bn)neN be two sequences such that {an)neN is bounded and lim bn = 0. Prove that lim anbn = 0 84x 81x * Give a counterexample to (a)(i) when {anneN is not bounded. That is, {an}neN and {bn}neN are two sequences such that lim bn = 0, but lim anbn # 0 n→∞ n→∞ (b) By part (a)(i), evaluate lim 81x (sin n) (2n-1) n² +1
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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