Tangent drawn from the point `(a ,3)` to the circle `2x^2+2y^2=25` will be perpendicular to each other if `a` equals 5 (b) `-4` (c) 4 (d) `-5`

Tangents drawn from the point (4, 3) to the circle x^(2)+y^(2)-2x-4y=0 are inclined at an angle

Prove that the tangents to the circle x^(2)+y^(2)=25 at (3,4) and (4,-3) are perpendicular to each other.

The locus of a point such that the tangents drawn from it to the circle x^(2)+y^(2)-6x-8y=0 are perpendicular to each other is

If tangents are drawn from origin to the circle x^(2)+y^(2)-2x-4y+4=0, then

The tangents from which of the following points to the ellipse 5x^(2)+4y^(2)=20 are perpendicular

Tangents are drawn from a point P on the line y=4 to the circle x^(2)+y^(2)=25 .If the tangents are perpendicular to each other,then coordinates of P are

Angle between the tangents drawn from point (4, 5) to the ellipse x^2/16 +y^2/25 =1 is

The angle between the pair of tangents drawn from the point (2,4) to the circle x^(2)+y^(2)=4 is