Discuss the position of the points (2,3) and(1,3) with respect to circle $x^2+y^2-4x+2y-11=0$?

Question

$\begin{array}{1 1}(a)\;\text{inside the circle}\\(b)\;\text{outside the circle}\\(c)\;\text{centre of the circle}\\(d)\;\text{None of these}\end{array}$