Consider the standard parabola y2=12x.
(i) Verify whether the points P(3,6) and Q(3,−6) lie on the parabola.
(ii) Determine the value of h for which the point (h,43) lies on the parabola.
(iii) If a point R lies on the parabola and has x–coordinate 27, find the corresponding y–coordinate(s).