Which of the following series diverge? I. cos (2n) n=1 II. 1 1+ - п n=1 1 n + n2 III. n= (A) II only (В) Ш only (C) I and II only (D) I, II, and III
Which of the following series diverge? I. cos (2n) n=1 II. 1 1+ - п n=1 1 n + n2 III. n= (A) II only (В) Ш only (C) I and II only (D) I, II, and III
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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Transcribed Image Text:2.
Which of the following series diverge?
L Σο (2n)
COS
n=1
II.
1+
n
n=1
III. >
n +
n2
n=1
(A) II only
(В) Ш only
(C) I and II only
(D) I, II, and III
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