sin(7n) A 1. n2 (-7)" C 2. n=1 (-1)" A 3. 4n + 5 (n + 1)(2² – 1)" - 4. 22n Vn 5. (-1)", n+ 5 C n=1
sin(7n) A 1. n2 (-7)" C 2. n=1 (-1)" A 3. 4n + 5 (n + 1)(2² – 1)" - 4. 22n Vn 5. (-1)", n+ 5 C n=1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Match each of the following with the correct statement.

Transcribed Image Text:Match each of the following with the correct statement:
A. The series is absolutely convergent.
C. The series converges, but is not absolutely convergent.
D. The series diverges.
1. \(\sum_{n=1}^\infty \frac{\sin(7n)}{n^2}\)
- Answer: A
2. \(\sum_{n=1}^\infty \frac{(-7)^n}{n^6}\)
- Answer: C
3. \(\sum_{n=1}^\infty \frac{(-1)^n}{4n+5}\)
- Answer: A
4. \(\sum_{n=1}^\infty \frac{(n+1)(2^2-1)^n}{2^{2n}}\)
- Answer: C
5. \(\sum_{n=1}^\infty \frac{(-1)^n \sqrt{n}}{n+5}\)
- Answer: C
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