an+1 For the series ar suppose that lim = L. Prove the following: an n =1 If 0 1, the series diverges. If L = 1. The test is inconclusive. Give two examples of series for which, L = 1 and the first is convergent and the second is divergent.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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part 3

Course : Real Analysis

QUESTION 3
an+1
For the series Eaw suppose that lim
an'
n =1
= [. Prove the following:
an
If 0<L<1, then the series converges absolutely.
If L> 1, the series diverges.
= 1, The test is inconclusive. Give two examples of series for which, L = 1 and the first is convergent and the second is divergent.
If L
Transcribed Image Text:QUESTION 3 an+1 For the series Eaw suppose that lim an' n =1 = [. Prove the following: an If 0<L<1, then the series converges absolutely. If L> 1, the series diverges. = 1, The test is inconclusive. Give two examples of series for which, L = 1 and the first is convergent and the second is divergent. If L
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