Question

(2/1)² - (3/2)²

(2/1)^2 - (3/2)^2​

Answer 1

Olá

(2/1)² - (3/2)² =

= 4 - 9/4 =

= 4 • 4 - 9 / 4 =

= 16 - 9/4 =

= 7/4

Até mais !

Answer 2

Explicação passo-a-passo:

(2/1)² - (3/2)²

(2/1)^2 - (3/2)^2=

= (2/1)2-(3/2)2

= (4/1)-(9/4)

=4-9/4

= 16-9/4

=7/4