25. n=1 n² +4n-2 n³ +4n²-3n+7
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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#25 only
Transcribed Image Text:In Exercises 25 – 34, determine the convergence of the given
series. State the test used; more than one test may be appro-
priate.
25. Σ
n=1
26. Σ
n=1
27. Σ
n=1
28.
8
n=1
29. Σ
n=1
n' + 4n – 2
η3 + 4n2 – 3η + 7
ntam
n!
n²
3η τη
3″
n
/n2 + 4n + 1
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