# If $(1,2), \; (4, 3)$ are the limiting points of a system of coaxial circles, then the radical axis of the system is :
( A ) $x + y + 6 = 0$
( B ) $3x + 2y - 10=0$
( C ) $3x + y - 10=0$
( D ) $2x + y -10 = 0$