A point moves in such a way that the sum of its distance from xy-plane and yz-plane remains equal to its distance from zx-plane. The locus of the point is

A point moves in such a way that the sum of its distance from xy-plane

1.	A point moves in such a way that the sum of its distance from xy-plane and yz-plane remains equal to its distance from zx-plane. The locus of the point is
A.	\[x-y+z=2\]
B.	\[x+y-z=0\]
C.	\[x-y+z=0\]
D.	\[x-y-z=2\]
Answer» D. \[x-y-z=2\]

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A point moves in such a way that the sum of its distance from xy-plane and yz-plane remains equal to its distance from zx-plane. The locus of the point is

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