Show that , and are perpendicular to XY, YZ and ZX planes,…

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

Problem

Show that

ax+by+r=0

,

by+cz+p=0

and

cz+ax+q=0

are perpendicular to XY, YZ and ZX planes, respectively.

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