Question

If A and B are two sets then (A – B) ∪ (B – A) ∪ (A ∩ B) is equal to

• A. A ∪ B
• B. A ∩ B
• C. A
• D. $B ^ { \prime }$

Answer 1

Answer: (A)

A ∪ B

Answer 2

From Venn-Euler's diagram,

$( A - B ) \cup ( B - A ) \cup ( A \cap B ) = A \cup B$.