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Co - ordinate Geometry 3D Geometry

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A variable plane is at a constant distance p from the origin and meets the axes in A, B and C. The locus of the centroid of the tetrahedron OABC is

A. x^-2+y^-2+z^-2=16p^-2

B. x^-2+y^-2+z^-2=16p^-1

C. x^-2+y^-2+z^-2=16

D. x^-2-y^-2-z^-2=16

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Mathematics Co - ordinate Geometry 3D Geometry

Eamcet Mathematics
Co - ordinate Geometry 3D Geometry