The equation of tangents drawn from the origin to the circle`x^2+y^2-2rx-2hy+h^2=0`

The equations of tangents drawn from the origin to the circle x^2+y^2-2rx-2hy+h^2=0 are :

The equations of the tangents drawn from the origin to the circle x^2+y^2-2rx-2hy+h^2=0 are

The equation of the tangents drawn from the origin to the circle x^(2)+y^(2)-2rx-2hy+h^(2)=0 are

The equation of the tangents drawn from the origin to the circle x^2 + y^2 - 2rx + 2hy + h^2 = 0 are

Show that the equations of the tangents drawn from the origin to the circle x^(2)+y^(2)-2rx-2hy+h^(2)=0 are x=0 and (h^(2)-r^(2))x-2rhy=0

Show that the equations of the tangents drawn from the origin to the circle x^(2)+y^(2)-2rx-2hy+h^(2)=0 are x=0 and (h^(2)-r^(2))x-2rhy=0

The equation of the tangents drawn from the origin to the circle x^(2)+y^(2)-2gx-2fy+f^(2)=0 is