Solve the Differential Equation $$\frac { d y } { d x } = 3 x ^ { 2 } e ^ { - y }$$

Multiple Choice

Solve the differential equation.
- $$\frac { d y } { d x } = 3 x ^ { 2 } e ^ { - y }$$

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