Consider the sequence {an}1 where 1 1 an = 1++ The goal of this problem is to prove this sequence diverges to o. (a) Prove that for all k E Z with k > o 1 1 1 + + 2k + 2 1 + 2k 2k +1 2k+1 2 (b) Use (a) to prove that for all m E N a2m–1 >. (c) Deduce that {an}1 diverges to o.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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(1) Consider the sequence {an}1 where
1
an = 1+
2
1
+
3
+
-
...
The goal of this problem is to prove this sequence diverges to o.
(a) Prove that for all k E Z with k > 0
+ p
1
1
1
1
2k +1
2k + 2
2k+1
(b) Use (a) to prove that for all m EN
m
25.
a2m -1
(c) Deduce that {an}-1 diverges to o.
Transcribed Image Text:(1) Consider the sequence {an}1 where 1 an = 1+ 2 1 + 3 + - ... The goal of this problem is to prove this sequence diverges to o. (a) Prove that for all k E Z with k > 0 + p 1 1 1 1 2k +1 2k + 2 2k+1 (b) Use (a) to prove that for all m EN m 25. a2m -1 (c) Deduce that {an}-1 diverges to o.
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