The distance between the chords of contact of tangents to the circle `x^2 + y^2 + 2gx + 2fy + c = 0` from the origin and the point `(g, f)` is:

The distance between the chords of contact of the tangent to the circle x^2+y^2+2gx+2fy+c=0 from the origin and the point (g, f) is

The distance between the chords of contact of tangents to the circle x^2+y^2+2gx +2fy+c=0 from the origin & the point (g,f) is

The distance between the chords of contact of tangents to the circle x^2+y^2+2gx +2fy+c=0 from the origin & the point (g,f) is

The distance between the chords of contact of tangents to the circle x^(2)+y^(2)+2gx+2fy+c=0 from the origin & the point (g,f) is

The distance between the chords of contact of the tangents to the circle x ^(2) + y ^(2) + 32 x + 24 y -1 =0 from the origin and the point (16,12) is k. The value of k is

The distance between the chords of contact of the tangents to the circle x^(2)+y^(2)+32x+24y-1=0 from the origin and the point (16,12) is k .The value of 40k-400 is

If the origin lies inside the circle x^(2) + y^(2) + 2gx + 2fy + c = 0 , then

The equation of the tangent to circle x^(2)+y^(2)+2g x+2fy=0 at origin is :