if (1+i)(x+iy) = 2+4i then 5x is : O 15 O 10 O 5 O 3

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.4: Complex And Rational Zeros Of Polynomials
Problem 45E
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if (1+i)(x+iy) = 2+4i then 5x is :
15
10
5
3
Let z be a complex number such
that |z| = 4 and arg(z) = 5π/6, then z
-√3+ i
O 2√3 - 2i
-2√3 + 2i
2√3 + 2i
Transcribed Image Text:* if (1+i)(x+iy) = 2+4i then 5x is : 15 10 5 3 Let z be a complex number such that |z| = 4 and arg(z) = 5π/6, then z -√3+ i O 2√3 - 2i -2√3 + 2i 2√3 + 2i
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