Determine the Miller indices of the plane that passes through three points having the following coordinates. (a)

Question:

Determine the Miller indices of the plane that passes through three points having the following coordinates.
(a) (0, 0, 1); (1, 0, 0); and (½, ½, 0)
(b) (½, 0, 1); (½, 0, 0); and (0, 1, 0)
(c) (1, 0, 0); (0, 1, ½); and (1, ½, ¼)
(d) (1, 0, 0); (0, 0, ¼); and (½, 1, 0)