Problema Solution
11. Given A = {1, 3, 5, 7}, B = {2, 3, 5}, and C = {3, 4, 5, 6}. Evaluate each set
a) A ∩ B
b) A U C
c) B U C
d) (A U B) ∩ C
e) A U (B U C)
f) (A ∩ B) ∩ C
g) (A ∩ B) U C (Points : 7)
Answer provided by our tutors
AnB={3,5}
AuC={a,3,4,5,6,7}
Buc={2,3,4,5,6}
(AuB)nC={1,2,3,5,7}n{3, 4, 5, 6}={3,5}
A U (B U C)={1, 3, 5, 7}u{2,3,4,5,6}={1,2,3,4,5,6,7}
(A n B) U C={3,5} u{3, 4, 5, 6}={3,4,5,6}