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

  • question_answer
     \[\frac{d}{dx}({{e}^{{{x}^{3}}}})\] is equal to                                                         [RPET 1995]

    A)            \[3x{{e}^{{{x}^{3}}}}\]

    B)   \[3{{x}^{2}}{{e}^{{{x}^{3}}}}\]

    C)            \[3x{{\left( {{e}^{{{x}^{3}}}} \right)}^{2}}\]

    D)  \[2{{x}^{2}}{{e}^{{{x}^{3}}}}\]

    Correct Answer: B

    Solution :

               \[\frac{d}{dx}({{e}^{x}}^{3})={{e}^{x}}^{3}.\frac{d}{dx}({{x}^{3}})=3{{x}^{2}}.\,{{e}^{x}}^{3}\].


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