Question

Observe os conjuntos e determine B - A.

A={X ∈ Z* / -2 ≤ X < 6} B={X ∈ N / e X < 10}

B - A=

Answer 1

a={-2,-1,0,1,2,3,4,5}
b={0,1,2,3,4,5,6,7,8,9}

a-b={-2,-1,6,7,8,9}