Question

Dados os conjuntos A= {1,2,3,4,5}, R= {4,5,6,7}

a) A U B

b) A ∩ B

Answer 1

A= {1,2,3,4,5}, R= {4,5,6,7}a) A U B
= {1,2,3,4,5,6,7}

b) A ∩ B
= {4,5}