If two tangents drawn from a point P to the parabola `y^2=4x` are at right angles, then the locus of P is `(a) `2x+1=0` (b) `x=-1` (c) `2x-1=0` (d) `x=1`

If two tangents drawn from a point P to the parabola y2 = 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 y^(2)=16 (x-3) are at right angles, then the locus of point P is :

If two tangents drawn from a point P to the parabola y^2 = 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 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

The angle between tangents drawn from a point P to the circle x^2+y^2+4x-2y-4=0 is 60^@ Then locus of P is

Perpendicular tangents are drawn from an external point P to the parabola y^2=16(x-3) Then the locus of point P is