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

A pair of tangents are drawn from the origin to the circle x^(2)+y^(2)+20(x+y)+20=0, The equation of pair of tangent is

A pair of tangents are drawn from the origin to the circle x^(2)+y^(2)+20(x+y)+20=0 Then find its equations.

Pair of tangents are drawn from origin to the circle x^2 + y^2 – 8x – 4y + 16 = 0 then square of length of chord of contact is

Pair of tangents are drawn from origin to the circle x^2 + y^2 – 8x – 4y + 16 = 0 then square of length of chord of contact is

Two tangents OP & OQ are drawn from origin to the circle x^(2)+y^(2)-x+2y+1=0 then the circumcentre of Delta OPQ is

A pair of tangents are drawn from the origin to the circle x^2 + y^2 + 20x +20y + 20 = 0 , The equation of pair of tangent is

Length of a tangent drawn from the origin to the circle x ^(2) + y ^(2) - 6x + 4y + 8=0 in units is

The angle between the tangents drawn from the origin to the circle x^(2) + y^(2) + 4x - 6y + 4 = 0 is