In which of the following sets A – B is equal to B – A?
A. A = {1, 2, 3}, B = {2, 3, 4}
B. A = {1, 2, 3}, B = {1, 2, 3, 4}
C. A = {1, 2, 3}, B = {2, 3, 1}
D. A = {1, 2, 3, 4, 5, 6}, B = {2, 3, 4, 5, 1}
Answer:C
In which of the following sets A – B is equal to B – A?
A. A = {1, 2, 3}, B = {2, 3, 4} B. A = {1, 2, 3}, B = {1, 2, 3, 4} C. A = {1, 2, 3}, B = {2, 3, 1} D. A = {1, 2, 3, 4, 5, 6}, B = {2, 3, 4, 5, 1}
Explanation: A- B= B-A = Empty set.