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 - 3.1 The Determination of a Matrix - 3.1 Exercises - Page 110: 2

Answer

-3

Work Step by Step

Since the given matrix has a size of 1x1, its determinant will be equal to to the value of the single element of the matrix, which is -3. |A|=-3
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