Question

Sejam os intervalos A = {xϵ R / 1< x < 5 } e B = {x ϵ R / 2 ≤ x≤ 6 }. Então A ∩B é: *

Answer 1

A = {xϵ R / 1< x < 5 } = { 2, 3, 4 }

B = {x ϵ R / 2 ≤ x≤ 6 } ={ 2, 3, 4, 5, 6}

A ∩B = {2, 3, 4} = A ✓