Question

If A = {2, 3, 5}, find A ∪ φ and φ ∪ A and compare.

Answer 1

Dear Student.

According to question

Given,A = {2, 3, 5}

φ is a null set which means zero elements.

So,A ∪ φ =A

and φ ∪ A =A

Hence,A ∪ φ =φ ∪ A =A.

Hope it helps

Thanks

With Regrads.