If the length of the tangent from a point (f,g) to the circle `x^2+y^2=4` be four times the length of the tangent from it to the circle `x^(2)+y^(2)=4x`, show that `15f^(2)+15g^(2)-64f+4=0`

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 from the point (1,-4) to the circle 2x^2+2y^2-3x+7y+9=0

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 tangtnt from (0,0) to the circle 2x^(2)+2y^(2) +x-y+5=0 is

If the length of the tangent drawn from (f, g) to the circle x^2+y^2= 6 be twice the length of the tangent drawn from the same point to the circle x^2 + y^2 + 3 (x + y) = 0 then show that g^2 +f^2 + 4g + 4f+ 2 = 0 .

The length of the tangent from the point (1, -4) to the circle 2x^(2) + 2y^(2) - 3x + 7y + 9 = 0 is

Find the length of the tangents drawn from the point (3,-4) to the circle 2x^(2)+2y^(2)-7x-9y-13=0 .

The number of tangtnts from (1,2) to the circle x^(2)+y^(2)-2 x-4 y+4=0 is

The ltngth of the tangtnt drawn to the circle x^(2)+y^(2)-2 x+4 y-11=0 from the point (1,3) is

Find the equations of the tangents to the circle x^(2) + y^(2)=16 drawn from the point (1,4).