Prove that the points `(2,\ -2),\ (-3,\ 8)` and `(-1,\ 4)` are collinear.

Find the direction cosines of the line joining the two points P(-2, 4, -5) and Q(1, 2, 3). 6. Prove that the points (1, 2, 3), (3, 1, 7) and (7, -1, 15) are collinear.

Prove that the points (-2,\ 5),\ (0,\ 1) and (2,\ -3) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0), (-2, -2) and (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0), (- 2, -2) and (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0) , (-2, -2) ,and (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0) , (-2, -2) ,and (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0) , ( -2, -2) and (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0), (-2, -2) " and " (8, 2) are collinear.

By using the concept of equation of a line, prove that the three points (3, 0), (-2, -2) " and " (8, 2) are collinear.