c) E(-1)" 00 Ln=1 3η

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.7: Distinguishable Permutations And Combinations
Problem 13E
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Determine if each of the following series is absolutely convergent, conditionally convergent, or divergent

c) E-1(-1)" n
00
m=1
-1)
3n
Transcribed Image Text:c) E-1(-1)" n 00 m=1 -1) 3n
Expert Solution
Step 1

Let,    n=1(-1)nn33n=n=1an

So,    an=(-1)nn33n

Replace n with n+1 in an,

an+1=(-1)n+1(n+1)33n+1=(-1)n.(-1)(n+1)33n.3

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