Question

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

Answer 1

The given points are A (1, –2, –8), B (5, 0,  2), and C (11, 3, 7).

Hence, point B divides AC in the ratio 2:3