Question: If one of the diameters of the circle, given by the euqation, $x^{2}+y^{2}-4 x+6 y-12=0$, is a chord of a circle $\mathrm{S}$, whose centre is at $(-3,2)$, then the radius of $\mathrm{S}$ is :-
10
$5 \sqrt{2}$
$5 \sqrt{3}$
5
Correct Option: , 3
Solution: