Question

Dados A = ]-3,2]; B = ]-1,4[ e C = ]-∞, +∞ [ , determine:

a) (A∪C) ∩B
b) (B∪C) ∩A

Answer 1

a) (AUC)∩B= ]-∞, +∞ [ ∩  ]-1,4[ =  ]-1,4[


b) (B∪C) ∩A= ]-∞, +∞ [ ∩ ]-3,2] = ]-3,2]