Solve the Quadratic Equation Using the Method That Seems Most $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

Solve the quadratic equation using the method that seems most appropriate to you. $9 x ^ { 4 } + 11 x ^ { 2 } - 48 = 0$

A) $\left\{ \pm i \sqrt { 3 } , \pm \frac { 4 } { 3 } \right\}$
B) $\left\{ i \sqrt { 3 } , \frac { 4 } { 3 } \right\}$
C) $\left\{ \pm i \sqrt { 3 } , \frac { 4 } { 3 } \right\}$
D) $\left\{ i \sqrt { 3 } , \pm \frac { 4 } { 3 } \right\}$

Correct Answer:

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