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Consider the sequence an = cos (n*). a. Determine the value of the following limit lim b. What can you conclude about the convergence/divergence of the sequence {a,}? c. What can you conclude about the convergence/divergence of the series E1an? an

Consider the sequence an = cos (n*). a. Determine the value of the following limit lim b. What can you conclude about the convergence/divergence of the sequence {a,}? c. What can you conclude about the convergence/divergence of the series E1an? an

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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cos (n*). Consider the sequence an= a. Determine the value of the following limit lim an. b. What can you conclude about the convergence/divergence of the sequence {a,}? c. What can you conclude about the convergence/divergence of the series E, a,?
Transcribed Image Text:cos (n*). Consider the sequence an= a. Determine the value of the following limit lim an. b. What can you conclude about the convergence/divergence of the sequence {a,}? c. What can you conclude about the convergence/divergence of the series E, a,?
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