question_answer

Simplify: \[{{\left( \frac{{{x}^{-3}}}{{{y}^{2}}} \right)}^{-3}}{{\left( \frac{{{x}^{-3}}}{{{y}^{5}}} \right)}^{2}}\]

A) \[\frac{1}{{{y}^{2}}}\]     

B)        \[\frac{1}{{{y}^{4}}}\]

C) \[\frac{{{x}^{2}}}{{{y}^{3}}}\]                   

D) \[\frac{{{x}^{3}}}{{{y}^{4}}}\]

E) None of these