Precalculus (10th Edition)

by Sullivan, Michael

Published by Pearson

ISBN 10: 0-32197-907-9

ISBN 13: 978-0-32197-907-0

Chapter 11 - Systems of Equations and Inequalities - 11.3 Systems of Linear Equations: Determinants - 11.3 Assess Your Understanding - Page 741: 1

Answer

$D=ad-bc.$

Work Step by Step

We know from earlier from the chapter that we can get the value of the determinant by cross multiplying, hence: $D=ad-bc.$

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