4. Determine whether the following series are absolutely convergent, conditionally convergent, or diver- gent. Justify your answers. ∞ (2) Σ(-1)" n=1 (n − 1)n + n! nn 22n (b) Σ(−1)", (Inn)n n=2 n! (c) Σ(-1)". 1.3.5... (2n-1) n=3 (d) (-1)"____

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4. Determine whether the following series are absolutely convergent, conditionally convergent, or diver-
gent. Justify your answers.
∞
(a) Σ(−1)n (n − 1)n + n!
nn
n=1
∞
22n
(b) Σ(-1). (Inn)
n=2
∞
n!
(0) Σ(1)" 1.3.5. (2n-1)
n=3
∞
1
(1) Σ(-1)". Inn
n=2
Transcribed Image Text:4. Determine whether the following series are absolutely convergent, conditionally convergent, or diver- gent. Justify your answers. ∞ (a) Σ(−1)n (n − 1)n + n! nn n=1 ∞ 22n (b) Σ(-1). (Inn) n=2 ∞ n! (0) Σ(1)" 1.3.5. (2n-1) n=3 ∞ 1 (1) Σ(-1)". Inn n=2
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