Question

7. If A = {1, 2. 3. 4. 5
1.2.3, 4, 5) and B = {2, 3, 6, 7) then the number
of elements in (AXB) n(B x A) is
(2) 18
(4) 4
(1) 20
(3) 6​

Answer 1

Answer:

(4) 4 your anser....yes / no