Answer
$[-\frac{1}{2}]$
Work Step by Step
$[(-1)\times\frac{3}{4}+1\times\frac{1}{4}]=[-\frac{3}{4}+\frac{1}{4}]=[-\frac{1}{2}]$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 4 - Section 4.2 - Matrix Multiplication - Exercises - Page 252: 4
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