Question

dados os conjuntos A={1,2,3,4,5,6,7}, B={5,6,7,8,9} e C={-1,0,1,2,3}, determine:​

Answer 1

Resposta: A={1,2,3,4,5,6,7}, B={5,6,7,8,9} e C={-1,0,1,2,3}

a)A∩B={5,6,7}

b)A∩C={1,2,3}

d) A-B=  {1,2,3}

Explicação passo-a-passo: