?In the following exercises, vectors u and v are given. Find unit vector w in the
Chapter 2, Problem 197(choose chapter or problem)
In the following exercises, vectors u and v are given. Find unit vector w in the direction of the cross product vector u × v. Express your answer using standard unit vectors.
Calculate the determinant
\(\left|\begin{array}{rrr}
\mathbf{i} & \mathbf{j} & \mathbf{k} \\
1 & -1 & 7 \\
2 & 0 & 3
\end{array}\right|\)
Text Transcription
left| begin array rrr
mathbf i & mathbfj & mathbf k
1 & -1 & 7
2 & 0 & 3
end array right|
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