Which of the following series conditionally converges? (−1)²+¹ 4 n (-1) ¹ √n 1. Σ n=1 1 II. Σ III. Σ n=1 n=1 o (A)Ionly O (B) III only ο (C) I and II only O (D) I and III only n

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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25. Which of the following series conditionally converges?
(−1)²+1
4
00
1. Σ
n=1
n
O (A) I only
11. Σ
n=1
O (B) III only
ο (C) I and II only
O (D) I and III only
n
M8
III. Σ
n=1
(-1)"
√n
Transcribed Image Text:25. Which of the following series conditionally converges? (−1)²+1 4 00 1. Σ n=1 n O (A) I only 11. Σ n=1 O (B) III only ο (C) I and II only O (D) I and III only n M8 III. Σ n=1 (-1)" √n
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