?Nonzero vectors u and v are called collinear if there exists a nonzero scalar
Chapter 2, Problem 207(choose chapter or problem)
Nonzero vectors u and v are called collinear if there exists a nonzero scalar \(\alpha\) such that \(\mathbf{v}=\alpha \mathbf{u}\). Show that u and v are collinear if and only if \(\mathbf{u} \times \mathbf{v}=\mathbf{0}\).
Text Transcription:
alpha
v = alpha u
u times v = 0
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