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JEE Main & Advanced Mathematics Functions Question Bank Continuity

  • question_answer
    The points at which the function \[f(x)=\frac{x+1}{{{x}^{2}}+x-12}\] is discontinuous, are

    A)            ?3, 4

    B)            3, ?4

    C)            ?1,?3, 4

    D)            ?1, 3, 4

    Correct Answer: B

    Solution :

               \[f(x)=\frac{x+1}{(x-3)\,(x+4)}\]. Hence the points are 3, ­? 4.


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