The potential function is

Question

The stream function in a 2-dimensional flow field is given by $\Psi$ = xy. The potential function is                

(a) $\frac{x^{2}+y^{2}}{2}$                     (b) $\frac{x^{2}-y^{2}}{2}$

(c) xy                           (d) x²y + y²x