The locus of the point from which the length of the tangent to the circle `x^2 + y^2 - 2x - 4y+4=0` is 3 units is

The length of the tangent from (5, 1) to the circle x^2+y^2+6x-4y-3=0 is :

The length of the tangent of the circle x^2+y^2-2x-y -7 = 0 from the point (-1,-3) is

The locus of the points from which the lengths of the tangents to the two circles x^(2)+y^(2)+4x+3=0, x^(2)+y^(2)-6x+5=0 are in the ratio 2:3 is a circle with centre

The locus of the points from which the lengths of the tangents to the two circles x^(2)+y^(2)+4x+3=0, x^(2)+y^(2)-6x+5=0 are in the ratio 2:3 is a circle with centre

The locus of the point the lengths of the tangents from which to the circles x^(2)+y^(2)-2x-4y-4=0, x^(2)+y^(2)-10x+25=0 are in the ratio 2:1 is

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