If two tangents drawn from a point P to the parabola `y^(2)=4x` are at right angles then the locus of P is

If the two tangents drawn from a point P to the parabola y^(2) = 4x are at right angles then the locus of P is

If two tangents drawn from a point P to the parabola y2 = 4x are at right angles, then the locus of P is

If two tangents drawn from a point P to the parabola y2 = 4x are at right angles, then the locus of P is (1) 2x""+""1""=""0 (2) x""=""-1 (3) 2x""""1""=""0 (4) x""=""1

If two tangents drawn from a point P to the parabola y^(2)=16 (x-3) are at right angles, then the locus of point P is :

The angle between a pair of tangents drawn from a point P to the parabola y^2= 4ax is 45^@ . Show that the locus of the point P is a hyperbola.