If PQ is the focal chord of the parabola `y^(2)=-x and P` is `(-4, 2)`, then the ordinate of the point of intersection of the tangents at P and Q is

If y_(1) and y_(2) are the ordinates of two points P and Q on the parabola y^(2)=4 a x and y_(3) is the ordinate of the point of intersection of the tangents at P and Q then, y_(1), y_(3) and y_(2) are in

A variable chord PQ of the parabola y=4x^(2) subtends a right angle at the vertex. Then the locus of points of intersection of the tangents at P and Q is

If the normals drawn at the end points of a variable chord PQ of the parabola y^2 = 4ax intersect at parabola, then the locus of the point of intersection of the tangent drawn at the points P and Q is

The line 4x -7y + 10 = 0 intersects the parabola y^(2) =4x at the points P and Q. The coordinates of the point of intersection of the tangents drawn at the points P and Q are

The line 4x -7y + 10 = 0 intersects the parabola y^(2) =4x at the points P and Q. The coordinates of the point of intersection of the tangents drawn at the points P and Q are

If P S Q is a focal chord of the parabola y^2=8x such that S P=6 , then the length of S Q is

If y_(1),y_(2) are the ordinates of two points P and Q on the parabola and y_(3) , is the ordinate of the point of intersection of tangents at P and Q, then

If y_(1),y_(2) are the ordinates of two points P and Q on the parabola and y_(3) is the ordinate of the point of intersection of tangents at P and Q then