Question

sejam os conjuntos a e b, tal que a={1,3,5,8,10,12} e b={2,4,6,8,10,11}. Determine:
a) A u B
b)A ∩ B
c)A - B
d) B - A

Answer 1

a) A u B ={1,2,3,4,5,6,8,10,11,12}
b)A ∩ B={8,10}
c)A - B={1,3,5,12}
d) B - A={2,4,6,11}

Espero ter ajudado!