3. Does lim Arg z exist? Why? Hint: Use polar coordinates and let z approach -4 from the upperz--4and lower half-planes.Arg(=)5. Let f(z) = zi = |2|2 e , where z + 0. Show that f(2) is discontinuous at each point alongthe negative -axis.

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Does lim Arg z exist? Why? Hint: Use polar coordinates and let z approach -4 from the upper z+-4 and lower half-planes.

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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3. Does lim Arg z exist? Why? Hint: Use polar coordinates and let z approach -4 from the upper
z--4
and lower half-planes.
Arg(=)
5. Let f(z) = zi = |2|2 e , where z + 0. Show that f(2) is discontinuous at each point along
the negative -axis.

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