MCQ
Let A and B be two sets in the same universal set. Then, A - B =
- A$\text{A}\cap\text{B}$
- B$\text{A}'\cap\text{B}$
- C$\text{A}\cap\text{B}'$
- DNone of these.
Solution:
A - B belongs to those elements of A that do not belong to B.
$\therefore\text{A} - \text{B = A}\cap\text{B}'.$
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