Question

A = {l, m, n}, then find A A A A A A       , , , ? see​

Answer 1

Step-by-step explanation:

A = {l, m, n}

1) A n Φ = {l, m, n} n {Φ} = Φ

2)A U Φ = {l, m, n} U {Φ} = {l, m, n} = A

3)A n A = {l, m, n} n {l, m, n} = A

4) A U A = {l, m, n} U {l, m, n} = A