2 Let f (z) = |z+ 7|? Part (a) Using Cauchy-Riemann equations, show that f (z)is not differentiable everywhere. Part (b) Find a point where f (z)is differentiable, if there is any. Part (c) Find a point where f (z)is analytic, if there is any.
2 Let f (z) = |z+ 7|? Part (a) Using Cauchy-Riemann equations, show that f (z)is not differentiable everywhere. Part (b) Find a point where f (z)is differentiable, if there is any. Part (c) Find a point where f (z)is analytic, if there is any.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 41RE
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