Question

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Answer 1

$\frac{ {x}^{2} }{2y} \times \frac{4 {y}^{2} }{ {x}^{3} } = \frac{2y}{x}$

Answer 2

$\frac{x^{2}}{2y} *\frac{4y^{2}}{x^{3}} = \frac{x^{2}*4y^{2}}{2y*x^{3}}=\frac{2y}{x}$