(iii) af A function is analytic if = 0. Prove that f(x, y) = az x-1-ty (x-1)²+y² is analytic.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 54E
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1
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Find
(iii)
A function is analytic if
af
= 0. Prove that f(x, y) =
X-1-ty
(х-1)2+ у?
is analytic.
%3D
az
Q#3:- Solve the following:
(i)
Construct the analytic function f(z) in term of 'z' whose imaginary part is
V(x, y) = -(y³ + 6xy – 3x²y – 3y). Show that U(x, y) is Harmonic function.
(ii)
Verify that U(r, 0)and V(r, 0) of f(z) = In(x² + y²) + 2t tan-1 (2)
both are Harmonic in Polar form.
(iii)
If f(z) = z², z # 0. Find the level curves U = cq and V = c2 and verify the orthogonality of these
curves.
Transcribed Image Text:Document Took Window Help 1 143% Find (iii) A function is analytic if af = 0. Prove that f(x, y) = X-1-ty (х-1)2+ у? is analytic. %3D az Q#3:- Solve the following: (i) Construct the analytic function f(z) in term of 'z' whose imaginary part is V(x, y) = -(y³ + 6xy – 3x²y – 3y). Show that U(x, y) is Harmonic function. (ii) Verify that U(r, 0)and V(r, 0) of f(z) = In(x² + y²) + 2t tan-1 (2) both are Harmonic in Polar form. (iii) If f(z) = z², z # 0. Find the level curves U = cq and V = c2 and verify the orthogonality of these curves.
-2i
(ii)
Compute
zez
dz
z2 +1
Where C: z| = 2 is the circle of radius 2 center a O oriented counterclockwise.
(iii)
Evaluate f edz, from z = 1 to z = 1+talong the line x = 1.
Transcribed Image Text:-2i (ii) Compute zez dz z2 +1 Where C: z| = 2 is the circle of radius 2 center a O oriented counterclockwise. (iii) Evaluate f edz, from z = 1 to z = 1+talong the line x = 1.
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