Show that the points and are collinear

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

Problem

8. Show that the points A(1,−2,−8),B(5,0,−2)\mathrm{A}(1,-2,-8), \mathrm{B}(5,0,-2) and C(11,3,7)\mathrm{C}(11,3,7) are collinear, and find the ratio in which B divides AC .

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