Answer
No determinant.
Work Step by Step
Formula:
ad-bc
$(4*6)-(-12*-2)$
$24-24$
$0$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 10 - Review - Exercises - Page 771: 69
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