Answer
$54$
Work Step by Step
Use the first row to expand, we have: (B is a 2x2 matrix)
$A=3((-2)(-2)-(6)(-1))-1((0)(-2)-(6)(4))+0(B)=3(4+6)+24=54$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 11 - Sequences; Induction; the Binomial Theorem - Section 11.3 Geometric Sequences; Geometric Series - 11.3 Assess Your Understanding - Page 847: 114
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