(c) (#n) = (n cos“ ()), n e N. %3D 2 (d) (xn) = ((-1)" - n+1 n E N. %3D

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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Question

Using basic real analysis, solve

Find the limit superior and limit inferior of each of the following sequences:

(b) (xm) = (n cos
(), ne
n E N.
(e) (zm) = (n cos* ()), n
(c) ("n) = (n cos²
.2
n E N.
2
(d) (m) = ((-1)"
),nEN.
n +1
Transcribed Image Text:(b) (xm) = (n cos (), ne n E N. (e) (zm) = (n cos* ()), n (c) ("n) = (n cos² .2 n E N. 2 (d) (m) = ((-1)" ),nEN. n +1
Expert Solution
Step 1

To find the limit superior and limit inferior of each of the following sequences:

xn=ncos2, nN

xn=ncos22, nN

xn=(1)nnn+1, nN

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