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Discussion :: Sets, Relations and Functions

  1.  In a set – builder method, the null set is represented by

    2. A.

    Φ
    B.

    { }
    C.

    { x : x = x}
    D.

    { x : x ≠ x}

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    Answer : Option D

    Explanation :

    { x : x ≠ x}

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