Find Dy/dx by Implicit Differentiation $x y^{2}=4$ A) $\frac{2 x}{y}$ B) $-\frac{y}{2 x}$

Multiple Choice

Find dy/dx by implicit differentiation.
- $x y^{2}=4$

A) $\frac{2 x}{y}$
B) $-\frac{y}{2 x}$
C) $-\frac{2 y}{x}$
D) $\frac{x}{2 y}$