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 - 3.2 Determinants and Elementary Operations - 3.2 Exercises - Page 119: 42

Answer

$1$

Work Step by Step

The determinant can be calculated easily as follows $$(1)(1)(1)=1.$$
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