Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 9 - Systems and Matrices - Quiz - Page 896: 13

Answer

$59$

Work Step by Step

Use the first row for expansion, from the given matrix, we have: $|A|=-1((-2)(5)-(-3)(-1))-2((-3)(5)-(-3)(2))+4((-3)(-1)-(-2)(2))=-1(-13)-2(-9)+4(7)=59$ One can also generate some zeros before the expansion to simply the calculation.
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