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JEE Main & Advanced AIEEE Solved Paper-2011

  • question_answer
    The domain of the function \[f(x)=\frac{1}{\sqrt{\left| x \right|-x}}\] is.   AIEEE  Solved  Paper-2011

    A) \[\left( -\infty ,\infty  \right)-\{0\}\]                          

    B) \[\left( -\infty ,\infty  \right)\]

    C) \[\left( 0,\infty  \right)\]                 

    D) \[\left( -\infty ,0 \right)\]

    Correct Answer: D

    Solution :

                 The given function f is well defined only when \[\left| x \right|-x>0\] Required domain is \[\Rightarrow x<0\]


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