Which of the following conditions are necessary to conclude that the series an converges using the alternating series test? n=1 I. The terms an alternate in sign for all n > N for some positive integer N. II. lim an = 0 n-00 II. Jam+1] < |an| for all n > N for some positive integer N. A I only I and II only Il and III only D I, II, and III

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Question 6
8.
Which of the following conditions are necessary to conclude that the series
An converges using the alternating series test?
1. The terms a,n alternate in sign for all n > N for some positive integer N.
II. lim an = 0
II. Jan+1] < |an| for all n > N for some positive integer N.
A
I only
В
I and II only
Il and III only
D
I, II, and III
Transcribed Image Text:Question 6 8. Which of the following conditions are necessary to conclude that the series An converges using the alternating series test? 1. The terms a,n alternate in sign for all n > N for some positive integer N. II. lim an = 0 II. Jan+1] < |an| for all n > N for some positive integer N. A I only В I and II only Il and III only D I, II, and III
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