Reflection of a Point in a Line

Rarely Tested

Reflection of a Point in a Line

If $$h$$ is the foot of perpendicular from point $$p$$ to a line, then the reflected point $$P'$$ satisfies:

$$\vec p'=2\vec h-\vec p$$

Usage

- Used to find the reflection of a point about a line in 3D space.

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