Plane at a Given Distance from Origin
A plane with unit normal vector:
$$l\hat i+m\hat j+n\hat k$$
at distance $$p$$ from the origin is:
$$lx+my+nz=p$$
where:
$$l^2+m^2+n^2=1$$
Usage
- Used to construct a plane when its normal direction and distance from origin are specified.
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