Solve the Differential Equation $$\frac { d y } { d x } = 9 \sqrt { x y }$$

Multiple Choice

Solve the differential equation.
- $$\frac { d y } { d x } = 9 \sqrt { x y }$$

A) $y = 3 x ^ { 3 / 2 } + C$
B) $y = \left( 3 x ^ { 3 / 2 } + C \right) ^ { 2 }$
C) $y = 3 x ^ { 3 } + x ^ { 3 / 2 } + C$
D) $y = 9 x ^ { 3 } + C$