Write the Partial Fraction Decomposition of the Rational Expression $$\frac { 9 x ^ { 2 } + 21 x + 11 } { ( x + 2 ) ( x + 1 ) ^ { 2 } }$$

Multiple Choice

Write the partial fraction decomposition of the rational expression.
- $$\frac { 9 x ^ { 2 } + 21 x + 11 } { ( x + 2 ) ( x + 1 ) ^ { 2 } }$$

A) $\frac { - 5 } { x + 2 } + \frac { 4 } { x + 1 } + \frac { 1 } { ( x + 1 ) ^ { 2 } }$
B) $\frac { 5 } { x + 2 } + \frac { - 4 } { x + 1 } + \frac { - 1 } { ( x + 1 ) ^ { 2 } }$
C) $\frac { - 1 } { x + 2 } + \frac { 4 } { x + 1 } + \frac { - 5 } { ( x + 1 ) ^ { 2 } }$
D) $\frac { 5 } { x + 2 } + \frac { 4 } { x + 1 } + \frac { - 1 } { ( x + 1 ) ^ { 2 } }$