cosz 3 3 Let f(z) and C is |z| = positively directed and C is ]z| = positively %3D (z²-1)2 2' 2' directed. Then fe f(z)dz= a) ni(sin 1 + cos 1) 2 b) 0 c) -ni(sin 1 + cos 1) d) -2ni(sin 1 + cos 1)
cosz 3 3 Let f(z) and C is |z| = positively directed and C is ]z| = positively %3D (z²-1)2 2' 2' directed. Then fe f(z)dz= a) ni(sin 1 + cos 1) 2 b) 0 c) -ni(sin 1 + cos 1) d) -2ni(sin 1 + cos 1)
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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Transcribed Image Text:cos z
3
3
Let f (z)
and C is |z| = positively directed and C is |z| = ;, positively
%3D
%3D
(z²–1)²
2'
2'
directed. Then Sc f(z)dz=
a) ni(sin 1 + cos 1)
b) 0
c) –ni(sin 1 + cos 1)
d) –2ni(sin 1 + cos 1)
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