Q30. A variable plane is at a constant distance 3p from the origin and meets the axes in A,B and C..

Q30. A variable plane is at a constant distance 3p from the origin and meets the axes in A,B and C. Prove that locus of the centroid of the triangle ABC is x^-2 + y^-2 + z^-2 = p^-2

Topic:
The Plane
Analytic Geometry