Categories > 3-d > Plane > 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 $k=$

3-d

Question: 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 $k=$


1) $\pm 3$
2) $\pm 6$
3) –3, 9
4) $3,\,-9$
Solution: Explanation: No Explanation
Plane

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