10. (-1)". n=1 √√n 2n + 3

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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only 10,12,16: test the series of convergence/divergence.

10. Σ (-1)".
n=1
00
12. Σ (−1)".
n=|
√√n
2n + 3
16. Σ
71-1
n
2"
σε
14. Σ (-1)"-' arctan nationalit
n=1
n COS NT
2"
TT
18. Σ (-1)" cos 7
n=1
n
20. Σ (-1)"(vn + 1 -(n)
n=|
Transcribed Image Text:10. Σ (-1)". n=1 00 12. Σ (−1)". n=| √√n 2n + 3 16. Σ 71-1 n 2" σε 14. Σ (-1)"-' arctan nationalit n=1 n COS NT 2" TT 18. Σ (-1)" cos 7 n=1 n 20. Σ (-1)"(vn + 1 -(n) n=|
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