The equation of streamline passing the point (1, 1) is

Question

A 2-D flow filed is defined as $\vec{V} = \vec{i}x-\vec{j}y$. The equation of streamline passing the point (1, 1) is    

(a) xy-1 = 0                 (b) xy +1 = 0

(c) xy + 2= 0               (d) xy – 2=0