Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 363: 6



Work Step by Step

Real numbers are complex numbers of the form $a+bi$ where $b=0$ whereas pure imaginary numbers are complex numbers of the form $a+bi$ where $a=0$ and $b\ne0$. Therefore, real numbers and pure imaginary numbers are dissimilar and no real number can be a pure imaginary number.
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