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If the distance of the point (1,1,1) fro...

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 is equal to

A

(a) `pm3`

B

(b) `pm6`

C

(c) `-3,6`

D

(d) `3,-9`

Text Solution

Verified by Experts

The correct Answer is:
D
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