Answer
$A^{-1}B=\left[\begin{array}{rrr}
-1/4 & 3/4 & 3/4\\
-7/16 & -23/16 & -3/16\\
7/8 & -1/8 & -5/8
\end{array}\right]$
Work Step by Step
Work done with the online matrix calculator at
desmos.com/matrix
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 - Section 10.5 - Inverses of Matrices and Matrix Questions - 10.5 Exercises - Page 732: 35
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