Answer
$-4$
Work Step by Step
Using a graphing calculator (see attached picture), we get:
$|A^{-1}BA|=-4$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 6, Matrices and Determinants - Chapter 6 Review - Exercises - Page 539: 43
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