JEE Main & Advanced Mathematics Functions Question Bank Functions

  • question_answer
    Numerical value of the expression \[\left| \ \frac{3{{x}^{3}}+1}{2{{x}^{2}}+2}\  \right|\] for \[x=-3\] is [Orissa JEE 2004; UPSEAT 2004]

    A)            4

    B)            2

    C)            3

    D)            0

    Correct Answer: A

    Solution :

               \[{{\left| \frac{3{{x}^{3}}+1}{2{{x}^{2}}+2} \right|}_{x=-3}}=\left| \frac{3(-27)+1}{2(9)+2} \right|=\left| \frac{-80}{20} \right|=4\].


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