Question

09) Dados os conjuntos A: {a, b, c}, B: {c, d} e C: {c, e}, determine: a) A U B = b) b) A U C = c) A U B U C = d) A ∩ B =

Answer 1

a) A U B = {a, b, c, d}

b) A U C = {a, b, c, e}

c) A U B U C = {a, b, c, d, e}

d) A ∩ B = {c}