Let z be a complex number. Then cos(3z)-i is unbounded in C. * False True
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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Please solve this two exercise
Transcribed Image Text:Let z be a complex number. Then cos(32)-i is
unbounded in C. *
False
True
Transcribed Image Text:e 3z
Let C: |z-il=3 and I = $.
dz. Then
z2
|= 8ni
O None of these
I=0
|= 6ti
O I= 4rti
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