Find the equation of all planes:
(a) Perpendicular to the line
[x y z]T = [1 0 -1]T + t[3 0 2]T.
(b) Containing P(3, 2, -4).
(c) Containing P(2, -1, 1) and Q(l, 0, 0).
(d) Containing the line
[x y z]T = [3 0 2]T + t[1 -2 -1]T.