JEE Main 202127 Aug, Morning shiftMathematicsMediumCoordinate Geometry478× since 2002
A tangent and a normal are drawn at the point P(2, 4) on the parabola y² = 8x, which meet the directrix of the parabola at the points A and B respectively. If Q(a, b) is a point such that AQBP is a square, then 2a + b is equal to :