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JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    The range of the function\[f(x)=\frac{x-2}{2-x}\], when\[x\ne 2\]is

    A) \[R\]                                     

    B) \[R-\{1\}\]

    C) \[\{-1\}\]                                            

    D) \[R-\{-1\}\]

    Correct Answer: C

    Solution :

    \[f(x)=\frac{x-2}{2-x}\] \[\Rightarrow \]               \[f(x)=\frac{x-2}{-(x-2)}=-1,\] if\[x\ne 2\]


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