Let A(4,−4) and B(9,6) be point on the parabola, y²=4x. Let C be chosen the arc AOB of the parabola, where O is
the origin ,such that the area of △ACB is maximum.Then, the area (in sq.units) of △ACB is:
a. 30.1/2
b. 31.1/4
c. 31.3/4
d. 32