A. (x +1)2 = 4y
B. (x – 1)2 = 4y
C. (x + 1)2 = 2y
D. (x – 1)2 = 2y
If 2x + y + a = 0 is a focal chord of the parbola y2 + 8x = 0
The locus of the point of intersection of two tangents to the parabola y2 = 4ax which make the θ1 and θ2 with the axis so that tan θ1 tanθ2 = k is
The length of the latus rectum of the parabola 3x2 – 9x + 5y – 2 = 0 is
The curve described parametrically by x=t2+t+1, y= t2-t+1 represents
The equation to the parabola having focus (-1,-1) and directrix 2x -3y +6 = 0 is
The angles between tangents to the parabola y2 = 4ax at the points where it intersects with the line x – y –a = 0 is
The sum of the slopes of the tangents to the parabola y2 = 8x drawn from the point (-2,3) is
The tangent to y2 = ax makes an angle 450 with x- axis. Then its point of contact is
Through the vertex O of the parabola y2 = 4ax a perpendicular is drawn to any tangent meeting it at P and the parabola at Q.Then OP.OQ =
The locus of the point of intersection of two tangents to the parabola y2 = 4ax which make complementary angles wit the axis of the parabola is