answer pls

A3. (1 mark) An equation for the plane in R3 containing the points P = (0, 1, 2), Q = (1, 1, -3), R= (3, 6, 9) can be found by performing which of the following calculations? A. (3, 6, 9) . (x - 1, y - 1, z - 3) = 0 B. ((1, 0, -5) x (3, 5, 7)) . (x, y - 1, z - 2) = 0 C. ((1, 1, -3) x (3, 6, 9)) . (x, y - 1, z - 2) = 0 D. (x - 1,y - 1, z + 3) x (x - 3, y - 6, z - 9) = 0 E. (0, 1, 2) x (1, 1, -3) = (3, 6,9) F. none of (A)-(E)