Question

a) (1 - 1 )² - 5 . ( 1 + 5 ∧-¹)=
          --      --     --
          2       8     3
 
Ajuda ai gnt,á pra amanhã

Answer 1

(1 - 1/2)²  - 5/8 . (1/3 + 5⁻¹) =
m.m.c = 2
(2/2 - 1/2)²  - 5/8 . (1/3  + 1/5) = 
(1/2)²  -   5/8 . (m.m.c = 15)
(1/2 . 1/2 )  - 5/8 . ( 5/15 + 3/15 ) = 
        1/4    -  5/8 .(8/15) = 
1/4 -  40/ 120 = 
1/4  -  1/3 = m.m.c =12
3/12 - 4/12 = -1/12
Resposta -1/12