Find the Value Of $\frac{d y}{d x}$ At the Point (- 2, 1)for the Function Which Is

Find the value of $\frac{d y}{d x}$ at the point (- 2, 1) for the function which is defined implicitly by $x ^ { 2 } y - \frac { x } { y } = 6$

A) 2
B) 0.5
C) 0.4
D) 1.5
E) 2.5