Question

Решите $( \frac{2}{3} )^{-1}$ и $( \frac{3}{4} )^{-2}$

Answer 1

$(\frac{2}{3})^{-1}=\frac{3}{2}=1,5 \\ \\ (\frac{3}{4})^{-2}=(\frac{4}{3})^2=\frac{16}{9}$