Let z = -2 +42 and answer the following questions: A. What are the real and imaginary parts of z? B. What is the complex conjugate of z? C. What is the modulus of z?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.6: De Moivre’s Theorem And Nth Roots Of Complex Numbers
Problem 9E
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Let z = -2 + 4² and answer the following questions:
A. What are the real and imaginary parts of z?
B. What is the complex conjugate of z?
C. What is the modulus of z?
D. What is the inverse of z? Express the answer in a + ib form.
E. Write z in polar form?
Transcribed Image Text:Let z = -2 + 4² and answer the following questions: A. What are the real and imaginary parts of z? B. What is the complex conjugate of z? C. What is the modulus of z? D. What is the inverse of z? Express the answer in a + ib form. E. Write z in polar form?
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