Show that ABCD is a square where A,B,C,D are the points (0,4,1),(2,3,-1),(4,5,0) and (2,6,2) respectively.

The points A(2,-1,4),B(1,0,-1),C(1,2,3) and D(2,1,8) form a

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

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

Show that the points (0,-2),(3,2),(0,6) and (-3,2) are the vertices of a square.

Show that the points A=(1,2,3),B=(7,0,1), C=(-2,3,4) are colinear.

If A, B, C are the points (0, 4, 1), (2, 3, -1), (4, 5, 0) respectively, then angle between oversetharr(AB) " and " oversetharr(BC) is

Show that the points (0,-1),(2,1),(0,3),(-2,1) are the vertices of a square.

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