Show that the following points A(3,1), B(6,4) and C(8,6) lies on a straight line .

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

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

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

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

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

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

Show that the line joining the points P(0,1,2) and Q(3,4,8) is parallel to the line joining the points R(-2,(3)/(2),-3)andS((5)/(2),6,6)