" (uii) "(-1,2,1),(1,-2,5),(4,-7,8)" And "(2,-3,4)" The vertices of a parallelogram are. "

Show that the points (-1,2,1), (1,-2,5), (4,-7,8) and (2,-3,4) are vertices of a parallelogram.

Verify the following: (-1,2,1),(1,-2,5),(4,-7,8) and (2,-3,4) are vertices of a parallelogram.

Verify the following: (-1,2,1), (1,-2,5), (4,-7,8) and (2,-3,4) are vertices of a parallelogram.

Show that the coplanar points (-1,2,1),(1,-2,5),(4,-7,8) and( 2,-3,4) are the vertices of a parallelogram.

Show that (-1,2,1),(1,-2,5),(4,-7,8) and(2,-3,4) are the vertices of parallelogram.

Verify the following: (-1,2,1) , (1,-2,5) , (4,-7,8) and (2,-3,4) are the vertices of a parllelogram.

Verify the following : (-1, 2, 1), (1, -2, 5), (4, -7, 8) and (2, -3, 4) are the vertices of a parallelogram.

Verify the following: (-1, 2, 1), (1, -2, 5), (4, -7, 8) and (2, -3, 4) are the vertices of a parallelogram.

By vector method,show that the four points (7,2,-3),(6,1,4),(-3,-4,-1) and (-2,-3,-8) are the vertices of a parallelogram.

Show that the points A(1,2,3),B(-1,-2,-1),C(2,3,2) and D(4,7,6) are the vertices of a parallelogram.