If the plane $\large\frac{x}{2}+\frac{y}{3}+\frac{z}{4}=1$ cuts the coordinate axis in $A,B,C$ respectively, then the area of the $\Delta\:ABC$ is ?

Question

$\begin{array}{1 1} \sqrt {21} \\ \sqrt {41} \\ \sqrt {61} \\ None\;of\;the\;above \end{array}$