Question

Let A=(1,2,3); B=(3,a,b), find
(a) AUB
(b) AnB​

Answer 1

(a) (1,2,3,a,b)

(b) (3)

Explanation:

In no. (a) we will take all the numbers and alphabets. And in no.

(b) we will take only the common one, which is 3.