question_answer

Evaluate: \[{{\left( \frac{-1728}{2744} \right)}^{\frac{2}{3}}}{{\left( \frac{4096}{9216} \right)}^{\frac{1}{2}}}-{{\left( \frac{729}{343} \right)}^{\frac{2}{3}}}\]

A) 0                     

B) \[\frac{-109}{49}\]

C) \[-\frac{57}{49}\]          

D) \[\frac{2152}{4208}\]

E) None of these