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Show that the points A(2,1,-1),B(0,-1,0)...

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

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

Show that the points A(4,5,1), B(0,-1,-1), C(3,9,4) and D(-4,4,4) are coplanar.

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 (1,0,1),(1,1,0),(0,1,1) and (0,0,2) are coplanar.

Show that the points (0,-1,-1) , (-4,4,4) , (4,5,1) and (3,9,4) are coplanar.

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.

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

If the points A(2, 1, -1), B(0, -1, 0), C(lambda, 0, 4), D(2, 0, 1) are coplanar, then lambda=

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