A. 5, 4(x2+y2-2x-6y)-35=0

B. 10, (x2+y2-2x-6y)-135=0

C. 15, 4(x2+y2-2x-6y)-35=0

D. 3, 4(x2+y2+2x+6y)-35=0

The shortest distance from (-2, 14) to the circles x^{2}+y^{2}-6x-4y-12=0 is

If the distances from the origin to the centres of three circles x^{2}+y^{2}-2k, x=c^{2} (i=1,2,3),are in G.P, then the lengths of the tangents drawn to them from any point on the circle x^{2} + v^{2} = c^{2} are in

If α, β are the roots of x^{2}+ ax+b=0 and γ, δ are the roots y^{2}+cx+d=0 then the equation of the circle having the line joining (α, γ), (β, δ) as diameter is

The least distance of the line 8x-4y+73=0 from the circle 16x^{2}+16y^{2}+48x-8y-43=0 is

The equation of the circle with centre (-1, 1) and touching the circle x^{2}+y^{2}-4x+6y-3=0 externally is