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JEE Main & Advanced Sample Paper JEE Main Sample Paper-21

  • question_answer
    Area enclosed by the graph of \[y=\ell n(x+1),\] \[y-axis,\]and the line \[y=1\]is,

    A)  \[e-2\]             

    B)  \[e-1\]

    C)  e                                 

    D)  2e

    Correct Answer: A

    Solution :

    \[A=\int\limits_{0}^{1}{({{e}^{y}}-1)\,dy={{e}^{y}}-y]_{0}^{1}}\]=(e-1)-(1-0)\[=e-2\]


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