Let u = 3 - i, w = –1+2i and z = 2 – 3i, where i is the square root of -1. What is (u + w)z? O 13 O1- 4i O 7- 4i O 17 – 18i

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.6: Matrices
Problem 4E: Let A=[aij]23 where aij=i+j, and let B=[bij]34 where bij=2ij. If AB=[cij]24, write a formula for cij...
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Let u = 3 – i, w = -1+2i and z = 2 – 3i, where i is the square root of –1. What is (u + w)z?
13
O 1- 4i
O 7- 4i
O 17 – 18i
Transcribed Image Text:Let u = 3 – i, w = -1+2i and z = 2 – 3i, where i is the square root of –1. What is (u + w)z? 13 O 1- 4i O 7- 4i O 17 – 18i
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