'Find vector' presentation slideshows

1.3 Lines and Planes

1.3 Lines and Planes. Lines in R 2 and R 3. To determine a line L , we need a point P(x 1 ,y 1 ,z 1 ) on L and a direction vector for the line L. The vector form is. The parametric equations of a line in space is. The parametric equations of a line in the plane is. Example.

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