1.

A variable plane makes with the co-ordinates plane, tetrahedron of contant volume 64 k^3 Then the locus of the centroid of tetrahedron is the surface.

Answer»


ANSWER :O(0, 0, 0), A(5, 0, 0), B(5, 5, 0), C(0, 5, 5), D(0, 0, 5), E(5, 0, 5) F(5, 5, 5), G(0, 5, 0)


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