$\text { Find the indefinite integral by making the substitution } x = 9 \sin \theta \text {. }$

Multiple Choice

$\text { Find the indefinite integral by making the substitution } x = 9 \sin \theta \text {. }$
$\int \frac { 9 } { x ^ { 2 } \sqrt { 81 - x ^ { 2 } } } d x$

A) $- \frac { \sqrt { 81 - x ^ { 2 } } } { 81 x ^ { 2 } } + C$
B) $\frac { \sqrt { 81 - x ^ { 2 } } } { 81 x } + C$
C) $- \frac { \sqrt { 81 - x ^ { 2 } } } { 81 x } + C$
D) $-\frac{1}{81 x\left(81-x^{2}\right) ^{3 / 2}}+C$
E) $\frac{1}{81 x\left(81-x^{2}\right) ^{3 / 2}}+C$