If the pole of a straight line with respect to the circle `x^(2)+y^(2)=a^(2)` lies on the circle `x^(2)+y^(2)=9a^(2)`, then the straight line touches the circle

The pole of a straight line with respect to the circle x^(2)+y^(2)=a^(2) lies on the circle x^(2)+y^(2)=9a^(2) . If the straight line touches the circle x^(2)+y^(2)=r^(2) , then

The pole of a straight line with respect to the circle x^2+y^2=a^2 lies on the circle x^2+y^2=9a^2 . If the straight line touches the circle x^2+y^2=r^2 , then :

If the pole of the line with respect to the circle x^(2)+y^(2)=c^(2) lies on the circle x^(2)+y^(2)=9c^(2) then the line is a tangent to the circle with centre origin is

If the pole of the line with respect to the circle x^(2)+y^(2)=c^(2) lies on the circle x^(2)+y^(2)=9c^(2) then the line is a tangent to the circle with centre origin is

If the pole of a line w.r.t to the circle x^(2)+y^(2)=a^(2) lies on the circle x^(2)+y^(2)=a^(4) then the line touches the circle

If the pole of a line w.r.t to the circle x^(2)+y^(2)=a^(2) lies on the circle x^(2)+y^(2)=a^(4) then find the equation of the circle touched by the line.

The pole of the line x-2y+5=0 with respect to the circle x^(2)+y^(2)-4x+2y-4=0 lies on

The pole of the straight line 9x+y-28=0 with respect to the circle 2x^(2)+2y^(2)-3x+5y-7=0 is