Question

5) (UEL) Efetuando-se
(3/2)$^{2}$ + (1/2)$^{-2}$ . (5/2)
, obtém-se:
a) 4/5
b)13/8
c) 5
d)75/8
e)45/4

Answer 1

VAMOS LÁ

Yare yare daze

(3/2)^2 + (1/2)^(-2) . (5/2)

= 9/4 + 2^2 . (5/2)

= 9/4 + 4.(5/2)

= 9/4 + 20/2

= 9/4 + 40/4

= 49/4

Espero ter ajudado *-