Show that the points `(0,-1,0).(2,1,-1),(1,1,1),(3,3,0)` are coplanar.

For what values of alpha ,the points (0,-1,0),(2,1,-1),(1,1,1) and (3,3,alpha) are coplanar

Show that the four points A(0,-1,0), B(2,1,-1), C(1,1,1) and D(3,3,0) are coplanar. Find the equation of the plane containing them.

Show thast the points P(1,1,1),Q(0,-1,0),R(2,1,-1) and S(3,3,0) are coplanar.

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

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

Find the value of p if the points A(2,-1,1),B(4,0,p),C(1,1,1) and D(2,4,3) are coplanar.

. Show that the points A(2,1,-1),B(0,-1,0),C(4,0,4) and D(2,0,1) are coplanar.

The value of x when the points A(2,-1,1),B(4,0,3),C(x,1,1)andD(2,4,3) are coplanar is

Show that the four point (0,-1,-1),(4,5,1),(3,9,4) and (-4,4,4) are coplanar and find the equation of the common plane.

Show that the points (3,-2),(1,0),(-1,-2) and (1,-4) are conyclic.