Question

Dado que A = {x ∊ ℕ | 1 < x < 4} e B = {x ∊ ℕ | 2 < x < 8}, então A ⋂ B :

Answer 1

A = {x ∊ ℕ | 1 < x < 4} e B = {x ∊ ℕ | 2 < x < 8}

A = {2, 3} e B = {3, 4, 5, 6, 7}.

A ⋂ B = {2, 3} ⋂ {3, 4, 5, 6, 7}

A ⋂ B = {3}.