A point lies on the plane and is units away from the point .

MATHEMATICS · Multi-part · CBSE · Mathematics · Introduction to Three-Dimensional Geometry · Introduction to Three-Dimensional Geometry

Problem

A point D(1,y,z)D(1,y,z) lies on the plane x+y+z=6x+y+z=6 and is 77 units away from the point E(4,−2,1)E(4,-2,1). (i) Form the two simultaneous equations that arise from the given conditions. (ii) Solve the simultaneous equations to obtain all possible coordinates of DD. (iii) Show that every coordinate found indeed satisfies both the plane and distance conditions.

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