if the tangent at the point P(2,4) to the parabola y2=8x meets the parabola y2=8x+5 at Q and R then the mid-point of QR is???
if the tangent at the point P(2,4) to the parabola y2=8x meets the parabola y2=8x+5 at Q and R then the mid-point of QR is???