Question

hola necesito ayuda....​

Answer 1

Explicación paso a paso:

$\sqrt{ ({ \frac{x}{y}) }^{ - 1} } = \frac{15}{19}$

${ (\frac{x}{y}) }^{ - 1} = \frac{225}{361}$

$\frac{1}{ \frac{x}{y} } = \frac{225}{361}$

$\frac{1}{ \frac{225}{361} } = \frac{x}{y}$

$\frac{x}{y} = \frac{361}{225}$