a) Determine whether the series (-1)"n² Σ is convergent, n3 + 3n + 1 n=1 absolutely convergent or divergent. b) Determine whether the series Σ (-1)"n/n is n2 + 3 n=1 convergent, absolutely convergent or divergent.
a) Determine whether the series (-1)"n² Σ is convergent, n3 + 3n + 1 n=1 absolutely convergent or divergent. b) Determine whether the series Σ (-1)"n/n is n2 + 3 n=1 convergent, absolutely convergent or divergent.
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:a) Determine whether the series
(-1)"n²
Σ
is convergent,
n3 + 3n + 1
n=1
absolutely convergent or divergent.
b) Determine whether the series
(-1)"n/n
is
n2 + 3
n=1
convergent, absolutely
convergent or divergent.
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