n=1 cos(nn) nn

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
A. The series is absolutely convergent.
B. The series converges, but not absolutely.
C. The series diverges.
D. The alternating series test shows the series converges.
E. The series is a p-series.
F. The series is a geometric series.
G. We can decide whether this series converges by comparison with a P series.
H. We can decide whether this series converges by comparison with a geometric series.
I. Partial sums of the series telescope.
J. The terms of the series do not have limit zero.
K. None of the above reasons applies to the convergence or divergence of the series.
1.
+
5.
6.
n=]
n=
n=
n=1
cos(NT)
nn
cos² (nπ)
nП
4 + sin(n)
(2n + 7)!
(n!)²
1
n log(3 + n)
1
n√√n
Transcribed Image Text:A. The series is absolutely convergent. B. The series converges, but not absolutely. C. The series diverges. D. The alternating series test shows the series converges. E. The series is a p-series. F. The series is a geometric series. G. We can decide whether this series converges by comparison with a P series. H. We can decide whether this series converges by comparison with a geometric series. I. Partial sums of the series telescope. J. The terms of the series do not have limit zero. K. None of the above reasons applies to the convergence or divergence of the series. 1. + 5. 6. n=] n= n= n=1 cos(NT) nn cos² (nπ) nП 4 + sin(n) (2n + 7)! (n!)² 1 n log(3 + n) 1 n√√n
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