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 and the point (g,f) 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

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

If the circle x ^(2) + y^(2) + 2gx + 2fy+ c=0 touches X-axis, then

Find the locus of the middle points of the chords of contact of tangents to the circle x^(2)+y^(2)=1 drawn from the the circle x^(2)+y^(2)+4x+6y+9=0

Let the midpoint of the chord of contact of tangents drawn from A to the circle x^(2) + y^(2) = 4 be M(1, -1) and the points of contact be B and C

If x-axis is tangent to the circle x^(2) +y^(2) +2gx + fy + k = 0 . Then which one of the following is correct ?