Determine the nature of the singularities of each of the following functions and evaluate the residues (a > 0): ze+iz 2² + a² etiz (h) zetiz 2²+ a² 0

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.5: Solution Of Cubic And Quartic Equations By Formulas (optional)
Problem 29E
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Question:
Determine the nature of the singularities
of each of the following functions
and evaluate the residues (a > 0):
(e)
zetiz
2² + a²
etiz
22-a²
(f)
zetiz
+ a².
-k
(h)
2+1
Hint. For the point at infinity, use the transformation w = 1/2 for
|2| → 0. For the residue, transform f(z) dz into g(w) dw and look at
the behavior of g (w).
0 <k < 1.
"
Transcribed Image Text:Question: Determine the nature of the singularities of each of the following functions and evaluate the residues (a > 0): (e) zetiz 2² + a² etiz 22-a² (f) zetiz + a². -k (h) 2+1 Hint. For the point at infinity, use the transformation w = 1/2 for |2| → 0. For the residue, transform f(z) dz into g(w) dw and look at the behavior of g (w). 0 <k < 1. "
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