If the polars of points on the circle `x^2+y^2=a^2` w.r.t. the circle `x^2+y^2=b^2` touch the circle `x^2+y^2=c^2` then a, b, c are in

The chord of contact of tangents drawn from any point on the circle x^2+y^2=a^2 to the circle x^2 + y^2 = b^2 touches the circle x^2 + y^2 =c^2 . Then a, b, c are in:

The chord of contact of tangents drawn from a point on the circle x^2 + y^2 = a^2 to the circle x^2 + y^2 = b^2 touches the circle x^2 + y^2=c^2 Show that a, b, c are in G.P.

If the chord of contact of the tangents drawn from a point on the circle x^2+y^2=a^2 to the circle x^2+y^2=b^2 touches the circle x^2+y^2=c^2 , then prove that a ,b and c are in GP.

If the chord of contact of the tangents drawn from a point on the circle x^2+y^2=a^2 to the circle x^2+y^2=b^2 touches the circle x^2+y^2=c^2 , then prove that a ,b and c are in GP.

If the chord of contact of the tangents drawn from a point on the circle x^2+y^2=a^2 to the circle x^2+y^2=b^2 touches the circle x^2+y^2=c^2 , then prove that a ,b and c are in GP.

If the chord of contact of tangents from a point on the circle x^(2) + y^(2) = a^(2) to the circle x^(2)+ y^(2)= b^(2) touches the circle x^(2) + y^(2) = c^(2) , then a, b, c are in-

(prove that) If the polar of the points on the circle x^(2) + y ^(2) = a^(2) with respect to the circle x^(2) + y^(2) = b^(2) touches the circle x^(2) + y^(2) = c^(2) then prove that a, b, c, are in Geometrical progression.

(prove that) If the polar of the points on the circle x^(2) + y ^(2) = a^(2) with respect to the circle x^(2) + y^(2) = b^(2) touches the circle x^(2) + y^(2) = c^(2) then prove that a, b, c, are in Geometrical progression.

If the polar of a point (p,q) with respect to the circle x^2 +y^2=a^2 touches the circle (x-c)^2 + (y-d)^2 =b^2 , then