Question

Dados os conjuntos : E = {3,4,6,8} F={1,2,3,4,5,6,8,9} e G= {4,5,6,7,8} determine : a}F-E
b}G-E c}{E U G}- F d} F -G U G-F   

Answer 1

a) F-E

S={1,2,5,9}

b) G-E

S={5,7}

c) EUG

S={3,4,5,6,7,8}

d) F-G                     G-F

S={1,2,3,9}            S={7}

F-G U G-F

S={1,2,3,7,9}