If the distance of the point from the origin is half its distance from the plane

MATHEMATICS · Subjective · CBSE · Mathematics · Three-Dimensional Geometry · Three-Dimensional Geometry

Problem

If the distance of the point (1,1,1)(1,1,1) from the origin is half its distance from the plane x+y+z+k=0x+y+z+k=0, find kk.

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