Question

1) Considerando que:
A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
A ∩ B = {4, 5, 6} e
A – B = {1, 2, 3}.
Determine o conjunto B.

Answer 1

Resposta:

B = A U B  -  (A – B)

A U B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},

A – B = {1, 2, 3}

B= { 4, 5, 6, 7, 8, 9, 10}