Consider the points
A(1, -1, 4), B(2, -3, 2), C(-1, -2, 2), D(4, 3, -6)
(a) Find the volume of the parallelepiped that has the vectors AB, AC, AD as adjacent edges.
Enter the exact answer.
Volume =
(b) Find the distance from D to the plane containing A, B, and C.
Enter the exact answer.
Distance =