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Parametric Equation of a Line
For a line through $$P(x_1,y_1,z_1)$$ with direction ratios $$a,b,c$$:
$$x=x_1+a\lambda$$
$$y=y_1+b\lambda$$
$$z=z_1+c\lambda$$
Usage
- Used to represent each coordinate of a point on the line in terms of one parameter.
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