Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 3 - Determinants - 3.3 Properties of Determinants - 3.3 Exercises - Page 125: 18



Work Step by Step

Since the determinant of the matrix is $(3)(2)−(4)(-6)=30 \neq 0$, then it is nonsingular.
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