Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX H - Complex Numbers - H Exercises: 19

Answer

$x=\frac{3}{2}i$ or $x=-\frac{3}{2}i$

Work Step by Step

$4x^2+9=0$ $4x^2=-9$ $x^2=-\frac{9}{4}$ $x=\sqrt(\frac{9}{4})i$ or $x=-\sqrt(\frac{9}{4})i$ $x=\frac{3}{2}i$ or $x=-\frac{3}{2}i$
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