2 + cos n Let a1 = 1 and a,+1 a, for all n 2 1. Then Select one: a. The series E a, is divergent by Direct Comparison Test. O b. The series E a, is absolutely convergent by Ratio Test. c. The series E a, is divergent by Ratio Test. o d. Non of them. е. The series 2 a, is conditionally convergent.

2 + cos n Let a1 = 1 and a,+1 a, for all n 2 1. Then Select one: a. The series E a, is divergent by Direct Comparison Test. O b. The series E a, is absolutely convergent by Ratio Test. c. The series E a, is divergent by Ratio Test. o d. Non of them. е. The series 2 a, is conditionally convergent.

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 22EQ: 22. The networks in parts (a) and (b) of Figure 2.23 show two resistors coupled in series and in...

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Question

2 + cos n
a, for all n21. Then
Vn
Let a1=1 and an+1
Select one:
a.
The series E a, is divergent by Direct Comparison Test.
O b.
The series E a, is absolutely convergent by Ratio Test.
O c.
The series 2 a, is divergent by Ratio Test.
d. Non of them.
е.
The series 2 a, is conditionally convergent.

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