Answer
$\frac{y^{2}}{x}$
Work Step by Step
$(x^{-3}y^{6})^{\frac{1}{3}}$
=$(x^{-3})^{\frac{1}{3}}\times (y^{6})^{\frac{1}{3}}$
=$x^{-1}\times y^{2}$
=$\frac{y^{2}}{x}$
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