Let a be a real number. Consider the series Σ where an = cos(n7) An, 2n +1° n=0 Find all a > 0 such that the series diverges. Find all a > 0 such that the series converges absolutely. Find all a > 0 such that the series converges conditionally.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 44E
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Let a be a real number. Consider the series
Σ
An,
where
An = cos(n7)
2п + 1*
n=0
Find all a > 0 such that the series diverges.
Find all a > 0 such that the series converges absolutely.
Find all a > 0 such that the series converges conditionally.
Transcribed Image Text:Let a be a real number. Consider the series Σ An, where An = cos(n7) 2п + 1* n=0 Find all a > 0 such that the series diverges. Find all a > 0 such that the series converges absolutely. Find all a > 0 such that the series converges conditionally.
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