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A line in 3D space requires
A point (x,y,x)
A parallel vector <x,y,z>
What is a unit vector?
A vector divided by its own magnitude
How do you find a parallel vector?
<a,b,c> = c(<a,b,c>) a scalar multiple of a vector
As t varies
You get other points on the line L
What are the parametric equations?
A plane in 3D space requires
A point on the plane (x,y,z)
A perpendicular vector