Precalculus: Mathematics for Calculus, 7th Edition

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: 9

Answer

$A^{-1}=\left[\begin{array}{rr} 1/3 & -1/2\\ 2 & 2 \end{array}\right]$ Please see image.

Work Step by Step

Calculator: online matrix calculator at desmos.com/matrix
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