Answer
$\frac{1}{\sqrt x^{5}\sqrt y}$
Work Step by Step
$\frac{x^{-\frac{1}{2}}y}{x^{2}y^{\frac{3}{2}}}=x^{-\frac{1}{2}-2}y^{1-\frac{3}{2}}=x^{-\frac{5}{2}}y^{-\frac{1}{2}}=\frac{1}{x^{\frac{5}{2}}y^{\frac{1}{2}}}=\frac{1}{\sqrt x^{5}\sqrt y}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.