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JEE Main & Advanced Mathematics Sets Question Bank Self Evaluation Test - Sets

  • question_answer
    The cardinality of the set \[P\left\{ P\left[ P(\phi ) \right] \right\}\] is

    A) 0

    B)                                1

    C) 2

    D)                                4

    Correct Answer: D

    Solution :

    [d]\[P(\phi )\] is the power set of the set \[\phi \] \[\therefore \] Cardinality \[=P\{P[P(\phi )]\}=4\]


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