RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    If\[f:R\to R\]and\[f(x)=tan\text{ }x,\]then value of\[{{f}^{-1}}(1)\]is

    A)  \[\left\{ n\pi +\frac{\pi }{4},n\in Z \right\}\]

    B)  \[\frac{\pi }{4}\]

    C)  does not exist    

    D)  None of these

    Correct Answer: C

    Solution :

     It is a many one function, so\[{{f}^{-1}}\]does not exist.


You need to login to perform this action.
You will be redirected in 3 sec spinner