Question

Sendo A = {1,3,5,7,9}; B = {2,4,6,8} e C = {1, 2, 3, 5), calcule:
a) A U C
b) B U C
c) A U B
d) A n c
e) A n B
f) В n с
g) A n B n c​

Answer 1

a) A U C = { 1, 2, 3, 5, 7, 9 }

b) B U C = { 1, 2, 3, 4, 5, 6, 8 }

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

d) A n C = { 1, 3, 5 }

e) A n B = { }

f) B n C = { 2 }

g) A n B n C = { }