Find the value of $\lambda$ such that $\Delta =0$ for the equation $x^2+y^2-3x+2y+\lambda=0$

Question

$\begin{array}{1 1}(a)\;\large\frac{13}{5}&(b)\;\large\frac{13}{4}\\(c)\;\large\frac{11}{4}&(d)\;\large\frac{13}{3}\end{array}$