College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.5 - Complex Numbers - 1.5 Exercises - Page 131: 62



Work Step by Step

$3x^{2}+1=0$ $3x^{2}=-1$ $x^{2}=-\frac{1}{3}$ $x=\pm\sqrt{-\frac{1}{3}}=\pm\sqrt{-\frac{3}{9}}=\pm\frac{\sqrt{3}}{3}i$
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