Answer: (A − B) ∩ (A − C).
- A (A − B) ∪ (A − C)
- B (A − B) ∩ (A − C)
- C (A − B) ∪ C
- D (A ∪ B) − C
Correct answer: B. (A − B) ∩ (A − C)
Explanation: A - (B union C) = A intersect (B union C)' = A intersect (B' intersect C') = (A intersect B') intersect (A intersect C') = (A-B) intersect (A-C).
Concept context
Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.