5. (a) Let z = (a + ai)(b+ bv3i) where a and b are positive real numbers. Without using a calculator, determine arg z. Answer: (b) Determine the cube roots of –32/3+32i and sketch them together in the complex plane (Argand diagram).
5. (a) Let z = (a + ai)(b+ bv3i) where a and b are positive real numbers. Without using a calculator, determine arg z. Answer: (b) Determine the cube roots of –32/3+32i and sketch them together in the complex plane (Argand diagram).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 35E
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