Question

How do I find the unit vector of a plane?

Answer 1

I assume that the poster is looking for the unit normal vector of a plane. If the plane has the equation of the form

`ax+by+cz=d`,

then the unit normal vector `vec{n}` of the plane is

`vec{n}={(a,b,c)}/{sqrt{a^2+b^2+c^2}}`.

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I hope that this was helpful.