Answer
-5
Work Step by Step
We find the determinant of the matrix:
$\begin{vmatrix}
1 & 2 \\
4 & 3
\end{vmatrix}$
$=1*3-2*4$
$=3-8$
$=-5$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 13 - Vector Geometry - 13.4 The Cross Product - Exercises - Page 676: 1
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