Question

Sendo A = {1, 2, 3, 4, 5, 6, 7, 8, 9} e B = {10, 11, 12, 13, 14, 15}

A ∩ B =
A U B =
A – B =
B – A =

Answer 1

Explicação passo-a-passo:

A ∩ B = { }

A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}

A – B = {1, 2, 3, 4, 5, 6, 7, 8, 9}

B – A = {10, 11, 12, 13, 14, 15}