Question

A=(c, d, e) e B=(a, b, d, e, F)

Determine

A= a U b
B= a (U ao contrario) b
​

Answer 1

A = {c , d, e}

B = {a, b, d, e, f}

a) AuB = {a, b, c, d, d, e, e, f}

b) AnB = {d, e}