Question

1-,
و و و
If A= {0, 2,4}, find An 0 and An A. Comment.​

Answer 1

A = {0 , 2 , 4}

B = { }

A ∩ Ø

⟶ A ∩ Ø = {0 , 2 , 4} ∩ { }

⟶ A ∩ Ø = { }

Therefore, A ∩ Ø = Ø

A ∩ A = {0 , 2 , 4} ∩ { }

Therefore, A ∩ A = A