Question

dados os conjuntos calcule A=[1,2,3,4] B=[1,7,9] C=[3,5,8] D=[0] A) AuB. B) AnB. C) A-B. D) B-A

Answer 1

A={1,2,3,4,7,9}
B={1}
C={2,3,4}
D={7,9}