sin z For the function of a complex variable z, the point z = 0 is A. a pole of order 3 B. a pole of order 2 C. a pole of order 1 D. not a singularity A. B

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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sin z
of a complex variable z, the point z = 0 is
For the function
A. a pole of order 3
B. a pole of order 2
C. a pole of order 1
D. not a singularity
A O
В
D
For the function of a complex variable W = In Z (where, W = u + jv and Z = x + jy), the u = constant
lines get mapped in Z-plane as
A. set of radial straight lines
B. set of concentric circles
C. set of confocal hyperbolas
D. set of confocal ellipses
A
B
Transcribed Image Text:sin z of a complex variable z, the point z = 0 is For the function A. a pole of order 3 B. a pole of order 2 C. a pole of order 1 D. not a singularity A O В D For the function of a complex variable W = In Z (where, W = u + jv and Z = x + jy), the u = constant lines get mapped in Z-plane as A. set of radial straight lines B. set of concentric circles C. set of confocal hyperbolas D. set of confocal ellipses A B
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