Rationalize the Denominator and Simplify Completely $\sqrt [ 4 ] { \frac { 81 } { 2 } }$

Multiple Choice

Rationalize the denominator and simplify completely. $\sqrt [ 4 ] { \frac { 81 } { 2 } }$

A) $\frac { 3 \sqrt [ 4 ] { 8 } } { 2 }$
B) $\frac { 9 \sqrt [ 4 ] { 2 } } { 2 }$
C) $\frac { 9 \sqrt [ 4 ] { 8 } } { 2 }$
D) $\frac { 3 \sqrt [ 4 ] { 2 } } { 2 }$