The length of the tangent from any point on the circle `x^(2)+y^(2)-2x-4y-5=0` to the circle `2x^(2)+2y^(2)-4x-8y-7=0` is

The length of the tangent from a point on the circle x^(2)+y^(2)+4x6y-12=0 to the circle x^(2)+y^(2)+4x6y+4=0 is

The lengths of the tangents from any point on the circle x^(2)+y^(2)+8x+1=0 to the circles x^(2)+y^(2)+7x+1=0 and x^(2)+y^(2)+4x+1=0 are in the ratio

The length of the tangent from (0, 0) to the circle 2(x^(2)+y^(2))+x-y+5=0 , is

The length of the tangent drawn from any point on the circle x^(2) + y^(2) + 2gx + 2fy + a =0 to the circle x^(2) + y^(2) + 2gx + 2fy + b = 0 is

Length of tangent from (8,6) to the circle x^(2)+y^(2)-3x-4y+2=0