Question

sejam os conjuntos: A={0,1,2,3,4,5,6,7,8,9}, B={1,3,5,7,9}, C={5,7}, D={0,2,4,6} Determine a) CcA , b) CbA, c) CaA, d) CaB

Answer 1

A={1,2,3,4,5,6,7,8,9,10}
B={3, 6, 9, 12, 18, 21...}

C= { 1, 2, 5} 


a) A-B = {1, 2, 4, 5, 7, 8, 10}

b) C-A = { } ou Ø

c) C = {1, 2, 5}

d) B∩C = { } ou Ø

e) ( A∩B) = {3, 6