Show that the points (a,0),(0.b) and (3a,-2b) are collinear. Also find the equation of the line containing them.

Show that the point :- (4, 3), (2, 0) and (- 4,-9) are collinear.

Show that the points (1, 4), (3, - 2) and (- 3,16) are collinear and find the equation of the st. line an which they lie.

Show that the points (1, 0), 6, 0), (0, 0) are collinear.

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

Show that the points A(2,3,4),B(-1,2,-3) and C(-4,1,-10) are collinear. Find the equations of the line in which they lie.

Show that the points A(1,3,2),B(-2,0,1) and C(4,6,3) are collinear.

Show that the points A(1,2,7), B(2,6,3) and C(3,10,-1) are collinear.

Show that the points A(3,5,1), B(-1,0,8) and C(7,10,-6) are collinear.

Show that the points A(1,-2,-8), B(5,0,-2) and C(11,3,7) are collinear.