Given Z₁ = 10 + 10j, Z₂ = 20445°, find Z1 Z2 and in the Polar forms. OZ1 Z2 = 282.84290, -0.7140° Z O Z₁ Z2 = 282.84445°, -0.71.445° O Z Z=200/90 = 0.540° OZ1 Z2 200245°, 0.5/45°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 38RE
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Like real numbers, basic operations for complex numbers include Addition, Subtraction,
Multiplication, and Division.
There are Three forms to represent a complex number, i.e., Polar form (AZO), Exponential
form (A. e), and Rectangular form (a+bj).
Complex number addition/subtraction in the Rectangular form:
Given Z₁ = a+bj, Z₂ = c + d. j.
Z+Za+c+ (b+d).j
Z1 Z2a c+ (b-d).j
Complex number multiplication/division in the Rectangular form:
Given Z₁ =a+b.j, Z₂ =c+dj.
ZZ (a+bj) (c+dj) = (ac - bd) + (ad + bc) j
Z₁ a+bj
(a+b)-(c-dj)
(ac+bd)+(bc-ad);
c+dj
(c+dj) (c-dj)
cid
ac+bd
bc-ad
+
d
c² d²
J
Complex number multiplication/division in the Polar form:
Given Z₁ = AZ, Z = BZ0,
Z1 Z2 A BZ (+0)
Z₁
2 = 솜<(0-0)
Z
Let us do some practices.
Given Z₁ = 10 + 10j, Z₂ = 20445°, find Z₁ - Z2 and in the Polar forms.
OZ-Z2=282.84490°, = 0.7120°
O Z1 Z2 = 282.84445°, = 0.71445°
OZ1 Z2=200/90 = 0.540°
OZ-Z2=200/45°-0.5/45°
Transcribed Image Text:Like real numbers, basic operations for complex numbers include Addition, Subtraction, Multiplication, and Division. There are Three forms to represent a complex number, i.e., Polar form (AZO), Exponential form (A. e), and Rectangular form (a+bj). Complex number addition/subtraction in the Rectangular form: Given Z₁ = a+bj, Z₂ = c + d. j. Z+Za+c+ (b+d).j Z1 Z2a c+ (b-d).j Complex number multiplication/division in the Rectangular form: Given Z₁ =a+b.j, Z₂ =c+dj. ZZ (a+bj) (c+dj) = (ac - bd) + (ad + bc) j Z₁ a+bj (a+b)-(c-dj) (ac+bd)+(bc-ad); c+dj (c+dj) (c-dj) cid ac+bd bc-ad + d c² d² J Complex number multiplication/division in the Polar form: Given Z₁ = AZ, Z = BZ0, Z1 Z2 A BZ (+0) Z₁ 2 = 솜<(0-0) Z Let us do some practices. Given Z₁ = 10 + 10j, Z₂ = 20445°, find Z₁ - Z2 and in the Polar forms. OZ-Z2=282.84490°, = 0.7120° O Z1 Z2 = 282.84445°, = 0.71445° OZ1 Z2=200/90 = 0.540° OZ-Z2=200/45°-0.5/45°
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