Question
What can you say about sets A and B if you know that.
1)A U B = A?
2)A n B = A?
3)A - B = A?
1)A U B = A?
2)A n B = A?
3)A - B = A?
Answers
bobpursley
Is B an empty set?
James
@ bobpursley no the question did not specify