Question

Considerando A={1,2,3,4,8} B={3,4,5,7} C={4,6,7,8} determine:
a) A U B
b) B ∩ C
c) ( A U B) - C
d) (B ∩ C) - A​

Answer 1

Resposta:

a) A ∪ B = {1,2,3,4,5,7,8}

b) B ∩ C = {4,7}

c) (A ∪ B) - C = {1,2,3,5}

d) (B ∩ C) - A = {7}