Solve
- $$\sqrt { 11 x - 9 } = \sqrt { 9 - 11 x }$$

Multiple Choice

Solve.
- $$\sqrt { 11 x - 9 } = \sqrt { 9 - 11 x }$$

A) $\frac { 11 } { 9 }$
B) $- \frac { 9 } { 11 }$
C) $\frac { 9 } { 11 }$
D) $\varnothing$