Answer
$-3$
Work Step by Step
Here the determinant is just the value of the only entry, thus $D=-3$.
Differential Equations and Linear Algebra (4th Edition)
by Goode, Stephen W.; Annin, Scott A.
Published by
Pearson
ISBN 10:
0-32196-467-5
ISBN 13:
978-0-32196-467-0
Chapter 3 - Determinants - 3.4 Summary of Determinants - Problems - Page 240: 1
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