Question

Mas uma gente pfv ...​

Answer 1

Resposta:

$( \dfrac{2}{3} ) {}^{ - 2} = \\ \\ (\dfrac{3}{2} ) {}^{2} = \\ \\ \frac{3}{2} \times \dfrac{3}{2} = \\ \\ \dfrac{3×3}{2×2}=\\\\ \green{\dfrac{9}{4}}$

Bons Estudos!

Answer 2

Resposta:

Resposta:

\begin{gathered}( \dfrac{2}{3} ) {}^{ - 2} = \\ \\ (\dfrac{3}{2} ) {}^{2} = \\ \\ \frac{3}{2} \times \dfrac{3}{2} = \\ \\ \dfrac{3×3}{2×2}=\\\\ \green{\dfrac{9}{4}}\end{gathered}

(

3

2

)

−2

=

(

2

3

)

2

=

2

3

×

2

3

=

2×2

3×3

=

4

9