alleryA = {1, 2, 3} and B = {2, 2, 1, 3, 3}. The two sets are:
AEmpty sets
BEqual sets
CDisjoint sets
DUnequal sets
Answer & Solution
Correct answer: B. Equal sets
1. Repeating an element does not change a set.
2. Both sets have exactly the elements 1, 2 and 3.
3. So the sets are equal.
_Source: syllabus Mathematics, Chapter 1, Sets._
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