The co-ordinates of the points A and B are (2, 3, 4) and (-2, 5, -4) respectively. If a point P moves so that \[P{{A}^{2}}-P{{B}^{2}}=k\] where k is a constant, then the locus of P is

The co-ordinates of the points A and B are (2, 3, 4) and (-2, 5, -4) r

1.	The co-ordinates of the points A and B are (2, 3, 4) and (-2, 5, -4) respectively. If a point P moves so that \[P{{A}^{2}}-P{{B}^{2}}=k\] where k is a constant, then the locus of P is
A.	\[-8x+4y-16z+16=k\]
B.	\[-8x-4y-16z-16=k\]
C.	\[-8x+4y-16z-16=k\]
D.	None of these
Answer» D. None of these

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The co-ordinates of the points A and B are (2, 3, 4) and (-2, 5, -4) respectively. If a point P moves so that \[P{{A}^{2}}-P{{B}^{2}}=k\] where k is a constant, then the locus of P is

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