Equation of the chord of contact PQ is given by: T=0 or T≡yy1−4(x+x1), where (x1,y1)≡(−8,0) ∴ Equation becomes: x=8 & Chord of contact is x=8 ∴ Coordinates of point P and Q are (8,8) and (8,-8) and focus of the parabola is F(2,0) ∴ Area of triangle PQF=