question_answer

\[{{\left( \frac{{{\mathbf{x}}^{\mathbf{-3}}}}{{{\mathbf{y}}^{\mathbf{3}}}} \right)}^{\mathbf{2/3}}}\mathbf{\times }{{\left( \frac{{{\mathbf{x}}^{\mathbf{3}}}}{{{\mathbf{y}}^{\mathbf{-3}}}} \right)}^{\mathbf{2/3}}}\]is equal to            

A) \[\frac{{{x}^{4}}}{{{y}^{-4}}}\]

B)  \[\frac{{{y}^{4}}}{{{x}^{-4}}}\]

C)  \[\frac{{{x}^{-}}^{4}}{{{y}^{4}}}\]

D)  \[\frac{1}{{{x}^{2}}{{y}^{2}}}\]

E) None of these