Find the Derivative of Y with Respect to the Independent $$\left. y = \log 7 \left( \frac { x + 6 } { x - 6 } \right) ^ { \ln 7 } \right)$$

Multiple Choice

Find the derivative of y with respect to the independent variable.
- $$\left. y = \log 7 \left( \frac { x + 6 } { x - 6 } \right) ^ { \ln 7 } \right)$$

A) $\frac { - 12 } { ( x + 6 ) ( x - 6 ) }$
B) $\frac { 1 } { ( x - 6 ) ^ { 2 } }$
C) $\frac { - 2 } { x + 6 }$
D) $\left( \frac { 1 } { \ln 7 } \left( \frac { x + 6 } { x - 6 } \right) ^ { \ln 7 } \right.$