Show that the vectors and are collinear.
Answer (1)
8th Oct, 2020
Hi there!
Two vectors a and b are collinear if:
a=kb where k is a non zero scalar constant.
a.b=1 , if it is zero they are perpendicular. By the way, it is the same result if a and b are parallel. Parallel vectors are not collinear, careful. Collinear means they co-exist on the same straight line.
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