Question

Помогите пожалуйста!!!! ​

Answer 1

$(\frac{2x {}^{2} }{y {}^{3} } ) {}^{ - 1} ( {x}^{ - 1} y) {}^{3} = \frac{y {}^{3} }{2x {}^{2} } \times x {}^{ - 3} y {}^{3} = \frac{y {}^{3} \times y {}^{3} }{2x {}^{5} } = \frac{y {}^{6} }{2x {}^{5} }$