Question

If A = { 1,2,3,4,5 } and B = { 2,3,7,8 } find

i) (A ∩ B) x (B – A)​

Answer 1

Answer:

(A ∩ B

Step-by-step explanation:

1. (A ∩ B)={2,3}
2. (B – A)={1,4,5,7,8}
3. (A ∩ B) x (B – A)={2,3}x{1,4,5,7,8} ={1,2,3,4,5,7,8}
4. Therefore, (A ∩ B) x (B – A)=(A U B)