Perform the Indicated Operation $\frac { 5 + 7 i } { 5 - 7 i }$

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
- $\frac { 5 + 7 i } { 5 - 7 i }$

A) $- \frac { 37 } { 12 } + \frac { 35 } { 12 } \mathrm { i }$
B) $1 - \frac { 35 } { 12 } \mathrm { i }$
C) $- \frac { 12 } { 37 } + \frac { 35 } { 37 } \mathrm { i }$
D) $1 + \frac { 35 } { 37 } \mathrm { i }$