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JEE Main & Advanced Mathematics Functions Question Bank Self Evaluation Test - Relation and Functions-II

  • question_answer
    Let \[A=\{1,2,3\}\] and \[B=\{a,b,c\}.\] If f is a function from A to B and g is a one-one function from A to B, then the maximum number of definitions of

    A) f is 9    

    B) g is 9

    C) f is 27

    D) g is 16

    Correct Answer: C

    Solution :

    [c] Number of definitions = Number of mapping from A to B \[=3\times 3\times 3=27.\]


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