Question

please solve my problem
apply identity

Answer 1

I have done it fastly so handwriting is..
Please mark it as brainliest please

Answer 2

$( \frac{x}{y} - \frac{y}{x} ) {}^{2} \\ ( \frac{ {x}^{2} } {x \times y} - \frac{y {}^{2} }{x \times y} ) \\ ( \frac{x {}^{2} - y {}^{2} }{xy}) {}^{2} \\ ( \frac{x {}^{2} - 2 {x}^{2} {y}^{2} + {y}^{4} }{x {}^{2} {y}^{2} } )$
hope this helps you:))))
don't forget to do it brainleist