Show that the points `(2,3,4),(-1,-2,1),(5,8,7)` are collinear.

Show that the points (2,3,4), (-1,-2,1), (5,8,7) are colinear

(i) Using section formula, show that the points A(-2, 3,5), B(1,2,3) and C(7,0,-1) are collinear. (ii) Using division formula, prove that the points (2,3,4),(-1,-2,1) and (5,8,7) are collinear.

Show that the points (2,3,4),(-1,4,5)and(8,1,2) are collinear.

Show that the points A(2,3,-4), B(1,-2,3), C(3,8,-11) are collinear.

Show that the points (-2,3,5),(1,2,3) and (7,0,-1) are collinear.

Show that the points (2,3,-4), (1,-2,3) and (3,8,-11) are collinear.

Show that the points (5,4,2),(6,2,-1) and(8,-2,-7) are collinear.

Show that the points (1,2,3),(7,0,1) and (−2,3,4) are collinear.

Show that the points (-1,0,7),(3,2,1) and (5,3,-2) are collinear.