If the distance of the point (1, 1,1) from the origin is half its distance from the plane \[x+y+z+k=0\], then \[k=\] [Kerala (Engg.)2005]

If the distance of the point (1, 1,1) from the origin is half its dist

1.	If the distance of the point (1, 1,1) from the origin is half its distance from the plane \[x+y+z+k=0\], then \[k=\] [Kerala (Engg.)2005]
A.	\[\pm 3\]
B.	\[\pm 6\]
C.	?3, 9
D.	\[3,\,-9\]
Answer» E.

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If the distance of the point (1, 1,1) from the origin is half its distance from the plane \[x+y+z+k=0\], then \[k=\] [Kerala (Engg.)2005]

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