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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-4

  • question_answer
    The domain of the function f defined by \[f(x)=\sqrt{4-x}+\frac{1}{\sqrt{{{x}^{2}}-1}}\] is equal to

    A)  \[(-\infty \,-1)\cup (1,\,4]\]           

    B)  \[(-\infty \,-1)\cup (1,\,4]\]

    C)  \[(-\infty \,-1)\cup [1,\,4]\]           

    D)  \[(-\infty \,-1)\cup [1,\,4)\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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