Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix E - Exercise Set: 7


The determinant is $2\frac{1}{6}$

Work Step by Step

The determinant is $\frac{3}{4}\times \frac{7}{3} - \frac{5}{2}\times(-\frac{1}{6})=\frac{21}{12}+\frac{5}{12}=\frac{26}{12}=2\frac{2}{12}=2\frac{1}{6}$
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