JEE Main & Advanced Mathematics Definite Integration Question Bank Fundamental definite integration, Definite integration by substitution

  • question_answer
    \[\int_{0}^{1}{{{e}^{2\,\text{In}\,x}}\,dx}=\]                                                                                                         [MP PET 1990]

    A)                 0

    B)                 \[\frac{1}{2}\]

    C)                 \[\frac{1}{3}\]

    D)                 \[\frac{1}{4}\]

    Correct Answer: C

    Solution :

                    \[\int_{0}^{1}{{{e}^{2\log x}}dx=\int_{0}^{1}{{{e}^{\log {{x}^{2}}}}}dx=\int_{0}^{1}{{{x}^{2}}dx=\left[ \frac{{{x}^{3}}}{3} \right]_{0}^{1}=\frac{1}{3}}}\].


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