Determine the convergence or divergence of the series. (If you need to use co or -0o, enter INFINITY or -INFINITY, respectively.) 00 2(-1)" + 1 Σ (-1)" + 1 sech(n) n = 1 en + e-n n = 1 lim sech(n) = n00 O converges diverges
Determine the convergence or divergence of the series. (If you need to use co or -0o, enter INFINITY or -INFINITY, respectively.) 00 2(-1)" + 1 Σ (-1)" + 1 sech(n) n = 1 en + e-n n = 1 lim sech(n) = n00 O converges diverges
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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
Transcribed Image Text:Determine the convergence or divergence of the series. (If you need to use co or -co, enter INFINITY or -INFINITY, respectively.)
00
Σ
00
2(-1)" + :
en + e
+ 1
sech(n)
%3D
(-1)"
-n
n = 1
n = 1
lim sech(n) =
converges
O diverges
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