If A and B are sets, then \[A\text{ }\cap \text{ }\left( B\text{ }-\text{ }A \right)\] is

If A and B are sets, then \[A\text{ }\cap \text{ }\left( B\text{ }-\t

1.	If A and B are sets, then \[A\text{ }\cap \text{ }\left( B\text{ }-\text{ }A \right)\] is
A.	\[\varphi \]
B.	A
C.	B
D.	None of these
Answer» B. A

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If A and B are sets, then \[A\text{ }\cap \text{ }\left( B\text{ }-\text{ }A \right)\] is

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