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JEE Main & Advanced Mathematics Functions Question Bank Functions

  • question_answer
    The function \[f:R\to R,\ f(x)={{x}^{2}},\forall x\in R\] is [MP PET 1997]

    A)            Injection but not surjection

    B)            Surjection but not injection

    C)            Injection as well as surjection

    D)            Neither injection nor surjection

    Correct Answer: D

    Solution :

               Since the mapping is many-one into.


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