Determine whether the series is convergent or divergent by expressing the nth partial sum s as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) 7 Σ( (2) - (( ²1² )) (n + n = 1 X

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 50E
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Determine whether the series is convergent or divergent by expressing the nth partial sum s as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.)
n
7
Σ (cos(-7) - cos((n + 1)²))
COS
COS
n = 1
X
Transcribed Image Text:Determine whether the series is convergent or divergent by expressing the nth partial sum s as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) n 7 Σ (cos(-7) - cos((n + 1)²)) COS COS n = 1 X
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