(c) пcos (пп) 2n n=1 Hint: For part (c) write out a few terms to see the behavior of this series. (d) 00 5+2n Σ (1+n²)² n=1 (e) n! n=1

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 25RE: Use the formula for the sum of the first nterms of a geometric series to find S9 , for the series...
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Question

Determine if the following series converge or diverge.

(c)
ncos (nt)
Σ
2n
n=1
Hint: For part (c) write out a few terms to see the behavior of this series.
(d)
5+2n
(1+n²)2
n=1
(e)
n"
n!
n=1
Transcribed Image Text:(c) ncos (nt) Σ 2n n=1 Hint: For part (c) write out a few terms to see the behavior of this series. (d) 5+2n (1+n²)2 n=1 (e) n" n! n=1
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