Three vertices of a parallelogram ABCD are A(3, -1, 2), B(1, 2, -4) and C (-1, 1, 2). Find the coordinates of the fourth vertex D.
(1, -2, 8)
Three vertices of a parallelogram ABCD are A(3,−1,2),B(1,2,−4)and C(−1,1,2). Which of the follwing could be the fourth vertex ?
Three vertices of a parallelogram ABCD are A(3,-1,2), B(1,2,4) and C(-1,1,2). Find the fourth vertex .