Question Detail

MTH 101 MTH 101 Past Questions Objective Question

Question

Let A, B, C ⊆ U. Simplify (A ∩ B) ∪ (A ∩ B^c)?
Options
A ∅
B A ∪ B
C A
Correct Answer
D U
Correct Answer

Option C is the correct answer.

Detailed Explanation

(A ∩ B) ∪ (A ∩ B^c) = A ∩ (B ∪ B^c) = A ∩ U = A.

Hint

Use the distributive law: A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C).

Question Info