$\mathrm{ABC}$ is a triangle and the radical centre of the circles with $\mathrm{AB}, \mathrm{BC},…
$\mathrm{ABC}$ is a triangle and the radical centre of the circles with $\mathrm{AB}, \mathrm{BC}, \mathrm{CA}$ as the diameters is $(-6,5)$. Now if $A=(3,2), B=(2,1)$ then $C=$