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JEE Main & Advanced Mathematics Functions Question Bank Functions

  • question_answer
    If \[f(x)=\frac{x-|x|}{|x|}\], then \[f(-1)=\] [SCRA 1996]

    A)            1

    B)            ?2

    C)            0

    D)            +2

    Correct Answer: B

    Solution :

               \[f(-1)=\frac{-1-|-1|}{|-1|}=\frac{-1-1}{1}=-\,2\].


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