1) Para os conjuntos A={1,2,3,4,5}, B={4,5,6,7} e C{0,3,7} calcule:
a)
{3}
b)
A∩B∩C
BXA
{(4,1);(4,2);(4,3);(4,4);(4,5);(5,1);(5,2);(5,3);(5,4);(5,5);(6,1);(6,2);(6,3);(6,4);(6,5);(7,1);(7,2);
(7,3);(7,4);(7,5)
c)
C
∪
A-B={1,2,3}
{3}
d)
(A – B)
(B – A)
{6,7}
e)
∪
∪
( A B) ∩ C
A B= {1,2,3,4,5,6,7}
{3,7}
f)
(A ∩ B) - C
A∩B= {4,5}
{4,5}