Answer: A × B.
- A A × B
- B A ∪ B
- C A ∩ B
- D B × B
Correct answer: A. A × B
Explanation: Any relation from A to B is a subset of the Cartesian product A × B.
Concept context
Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.