Question

Dados os intervalos A=]3,7] e B=[-2,4], obtenha aub e anb.

Answer 1

Resposta:

$A=]3,7] \mapsto\{4,5,6,7\}\\ \\ B=[-2,4] \mapsto\{-2,-1,0,1,2,3,4\}\\ \\ A\bigcup B=\{-2,-1,0,1,2,3,4,5,6,7\}~~ou~~[-2,7]\\ \\ A\bigcap B=\{4\}$