Solve Give Exact Solutions $$64 x ^ { 2 } + 36 = 0$$

Multiple Choice

Solve. Give exact solutions.
- $$64 x ^ { 2 } + 36 = 0$$

A) $\pm \frac { 3 } { 4 } \mathrm { i }$
B) $\frac { 3 } { 4 } \pm i$
C) $\pm \frac { 3 } { 4 } + i$
D) $\pm \frac { 3 } { 4 }$