Question

Given A = {a, e, i, o, u} and B = {a, l, g, e, b, r}, find A ∪ B.

Answer 1

A union B is a,e,i,o,u,l,g,b

Answer 2

A={a, e, i, o, u}

B={a, l, g, e, b, r}

⇒A ∪ B=Set consisting of Common as well as non common elements of A and B.

=Here, a and e are common elements and i,o, u, l,g,b,r are non common elements.

={a,e,i,o,u,l,g,b ,r}