Answer
1
Work Step by Step
We find the determinant of the matrix:
$\begin{vmatrix}
9 & 25 \\
5 & 14
\end{vmatrix}$
$=9*14-25*5$
$=126-125$
$=1$
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: 4
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