Question

1-) Sendo A = {1,2,3,4,5,7} e B = {2,3,6,7,8,9}, calcule:
a) A ⋃ B *
{1,2,3,4,5,6,7,8,9}
{2,3,7}
{1,4,5}
{ }

b) A – B *
{1,2,3,4,5,6,7,8,9}
{2,3,7}
{1,4,5}
{ }

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

Answer 1

Resposta:

a) {1,2,3,4,5,6,7,8,9} ( união )

b) {1,4,5} ( diferença, conjunto complementar )

c) {2,3,7} ( intersecção )

espero ter ajudadooh : )