(a) How do you add complex numbers? (b) How do you multiply (3 + 5i)(2 - i)? (c) Is (3 - i)(3 + i) a real number? (d) How do you simplify the quotient (3 + 5i)/(3 - i)?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section: Chapter Questions
Problem 18CC
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(a) How do you add complex numbers?
(b) How do you multiply (3 + 5i)(2 - i)?
(c) Is (3 - i)(3 + i) a real number?
(d) How do you simplify the quotient (3 + 5i)/(3 - i)?
Transcribed Image Text:(a) How do you add complex numbers? (b) How do you multiply (3 + 5i)(2 - i)? (c) Is (3 - i)(3 + i) a real number? (d) How do you simplify the quotient (3 + 5i)/(3 - i)?
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