[" 3.If "(3,2,-1)(4,1,1)" and "(6,2,5)" are three vertices,"(4,2,2)" is the centroid of a tetrahedron,find the "],[" fourth vertex."]

If (3, 2, -1) (4, 1,-1) and (6,2,5) are three vertices and (4, 2, 2) is the centroid of a tetrahedron, then find the fourth vertex.

If (3,2,-1),(4,1,1) and (6,2,5) are three vertices and (4,2,2) is the centroid of a tetrahedro, find the fourth vertex to that tetrahedron.

If A (1,2,3) ,B(4,3,2) and C (5,2,7) are three vertices of a tetrahedron for which the centroid is (4,5//2,5) , the fourth vertex is

A(1,1,3) , B(4,3,2) and C(5 ,2, 7) are three vertices of a tetrahedron for which the centroid is (4 , 5/2 , 5) the fourth vertex is

If A(1,2),B(4,3) and C(6,6) are the three vertices of a parallelogram ABCD, find the coordinates of fourth vertex D.

If A(1, 2), B(4, 3) and C(6, 6) are the three vertices of a parallelogram ABCD, find the coordinates of the fourth vertex D.

If A(1,2),B(4,3) and C(6,6) are the three vertices of a parallelogram ABCD,find the coordinates of the fourth vertex D .