D1.6. Transform to cylindrical coordinates: (a) F = 10a, -8a,+6a, at point P(10, -8, 6); (b) G = (2x+y)ax - (y-4x)ay at point Q(p, o, z). (c) Give the rectangular components of the vector H = y = 2, z=-1). - 20ap 10a +3az at P(x = 5,