Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.6 - Complex Numbers - 1.6 Exercises: 11


The real part of 3 is 3 and the imaginary part of 3 is 0.

Work Step by Step

Complex numbers are written in the form a+bi, with a being the real number and b being the imaginary number. Since there is no "i" in this complex number, b must be 0 since i*0 = 0. Therefore a=3, so a is the real part of the number and 0 is the imaginary part.
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