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Equation of a Plane : General Form

What is the C...

Question

What is the cartesian equation of a plane?

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Solution

The cartesian equation of a plane is:
$A (x - x_{1}) + B (y - y_{1}) + C (z - z_{1}) = 0$
Where,
$A, B, C$ are the direction cosines of the unit vector parallel to the normal to the plane.
$(x_{1}, y_{1}, z_{1})$ are the coordinates of the point on a plane.

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