Question

me ajudem por favor ​

Answer 1

Resposta:

a) {1}

b) {-2,-1,0,1,2,3,4,5,6,...}

c) {-2,-1,0,2,3,4,5,6,...}

Explicação passo-a-passo:

Considerando os conjuntos montados

A={1,2,3,4,5,6,...}

B={1,0,-1,-2,-3,-4,-5,...}

C={-2,-1,0,1,2}

a) A∩B={1}

b) A∪C={-2,-1,0,1,2,3,4,5,6,...}

c) {-2,-1,0,1,2,3,4,5,6,...} - {1}={-2,-1,0,2,3,4,5,6,...}