A. X + y + 3 = 0
B. X + y + 1 = 0
C. X – y + 2a = 0
D. X + y + 1 = 0
The straight line x + y = k touches the parabola y = x-x2, if k =
The locus of the midpoint of chords of the parabola y2 = 4ax parallel to the line y = mx + c is
A straight line which makes equal intercepts on positive X and Y axes and which is at a distance 1 unit from the origin intersects the straight line y =2x+3+√2 at (x0, y0). Then 2x0+y0=
If the normals from any point to the parabola x2 = 4y cuts the line y = 2 in points whose abscissa are in A.P, then the slopes of the tangents at the 3 conormal points are in
The equation of the tangents drawn from (3,2) to the parabola x2 = 4y are
The line y =2x + k is a normal to the parabola y2= 4x,then=
The locus of the point of intersection of perpendicular tangents to the parabola y2=4ax is
If a circle cuts the parabola y2 = 4ax in four points, then the algebraic sum of oridinates of the four points is
The equation of the tangent to the parabola y2 = 8x and which is parallel to the line x – y + 3 = 0
AB is a chord of the parabola y2 = 4ax with vertex at A. BC is drawn perpendicular to AB meeting the axis at C.The projection of BC on the axis of the parabola is