Mathematics for IGCSE & O level - Sets (Section 2 - No. 7)
What does the set difference, A - B, represent?
All elements in A that are not in B.
All elements in B that are not in A.
The elements that are in both A and B.
All elements in A and B.
설명
The set difference A-B represents the elements present in set A, but not present in set B.