JEE Main & Advanced Mathematics Sets Question Bank Set theory

  • question_answer
    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

    Correct Answer: A

    Solution :

    \[A\cap (B-A)=\varphi \], \[[\because x\in B-A\Rightarrow x\not{\in }A]\].


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