Solve the Differential Equation $- x y ^ { \prime } - y = y ^ { - 2 }$

Multiple Choice

Solve the differential equation.
- $- x y ^ { \prime } - y = y ^ { - 2 }$

A) $y ^ { 2 } = 1 - C x ^ { - 3 }$
B) $y ^ { 3 } = 1 - C x ^ { - 3 }$
C) $y ^ { 2 } = - 1 + C x ^ { - 3 }$
D) $y ^ { 3 } = - 1 + C x ^ { - 3 }$