JEE Main & Advanced Mathematics Differentiation Question Bank Derivative at a point Standard Differentiation

  • question_answer
    If \[y=3{{x}^{5}}+4{{x}^{4}}+2x+3\], then

    A)            \[{{y}_{4}}=0\]

    B)            \[{{y}_{5}}=0\]

    C)            \[{{y}_{6}}=0\]

    D)            None of these

    Correct Answer: C

    Solution :

               Since highest power of x is 5, therefore \[{{y}_{6}}=0\].


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