If the length of the tangent from (1,2) to the circle `x^(2)+y^2+x+y-4=0 and 3x^(2)+3y^(2)-x-y-lambda=0` are in the ratio 4:3 then `lambda=`

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

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

Length of the tangents from the point (1,2) to the circles x^(2)+y^(2)+x+y-4=0 and 3x^(2)+3y^(2)-x-y-k=0 are in the ratio 4:3 , then k is equal to a) (37)/(2) b) (4)/(37) c)21 d) (39)/(4)

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

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

The length of the tangent from the origin to the circle 3x^2 +3y^2-4x-6y+2=0 is