Scries. 7(10p). Prove the Argument Principle: If f is meromorphic on a domain D with smooth boundary and f is analytic and non-vanishing on OD, then 1 2πί f'(z) aD f(z) dz = No - Noo, where No and No stand for the number of zeros and poles of f, respectively, counting multiplicity.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 34E
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Scries.
7(10p). Prove the Argument Principle: If f is meromorphic on a domain D with smooth
boundary and f is analytic and non-vanishing on OD, then
1
2πί
f'(z)
aD f(z)
dz = No - Noo,
where No and No stand for the number of zeros and poles of f, respectively, counting
multiplicity.
Transcribed Image Text:Scries. 7(10p). Prove the Argument Principle: If f is meromorphic on a domain D with smooth boundary and f is analytic and non-vanishing on OD, then 1 2πί f'(z) aD f(z) dz = No - Noo, where No and No stand for the number of zeros and poles of f, respectively, counting multiplicity.
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