Question

São dados conjuntos:

A ={ x € Z | -4 < x ≤2 }

B= {x € IN| x≤ 3 }

Determine: A união de B

Answer 1

Achamos A.

A = { -3,-2,-1,0,1,2}

achamos b

B = { 0,1,2,3}

Unimos.

AUB = { -3,-2,1,0,1,2,3}