Question

Consider the following equations : 1. A - B = A - (A $\cap$ B) 2. A = (A $\cap$ B) $\cup$ (A - B) 3. A - (B $\cup$ C) = (A - B) $\cup$ (A - C) Which of these is/are correct ?

• A. 1 and 3
• B. 2 only
• C. 2 and 3
• D. 1 and 2

Answer 1

Answer: (D)

1 and 2

Answer 2

Check by creating Venn-diagram.