Question

qual o cubo de -1xy^2/2
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Answer 1

$\Rightarrow \ \ \ \ ( \ \frac{-1xy^{2}}{2} \ )^{3} \\\\ \\ \Rightarrow \ \ \ \ ( \ \frac{-1xy^{2}}{2} \ ) \ . \ ( \ \frac{-1xy^{2}}{2} \ ) \ . \ ( \ \frac{-1xy^{2}}{2} \ ) \\\\ \\ \Rightarrow \ \ \ \ \boxed{ \ \frac{-1xy^{2}}{8} \ }$