Question

dados os conjuntos A={-3,-1,2,3,5,7,9}, B={-1,1,3,5,6}e C={2,5,7,8}, determine (AUB)-(A intercecção C)

Answer 1

AUB { -3,1,2,3,5,7,9,-11,6} A INTERCESSÃO C{2,5,7}

Answer 2

(A união B) - (A interseção C) =(-11,-3,-1,2,3,5,6,7,9) - (2,5,7)= (-11,-3,-1,3,6,9)