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: 4


If 3+4i is a solution of a quadratic equation with real coefficients, then 3-4i is also a solution of the equation.

Work Step by Step

If a quadratic equation includes a solution, a+bi, it must also include a-bi. These two complex numbers are some of the factors of the quadratic equation.
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