Question

8) Sabendo que A=1/3 - 3/4 e B=- 2/3 + 1/2, calcule A. B​

Answer 1

Oie, tudo bom?

A = 1/3 - 3/4 = [4 - 9]/12 = - 5/12

B = - 2/3 + 1/2 = [- 4 + 3]/6 = - 1/6

A . B = (- 5/12) . (- 1/6) = 5/12 . 1/6 = 5/72

Att. NLE Top Shotta