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Math Help - Integral. #7

  1. #1
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    Integral. #7

    If \displaystyle \int_1^2 e^{t^2} \, dt = \alpha

    Evaluate ( in terms of \displaystyle \alpha ) :

    \displaystyle \int_{e}^{e^4} \sqrt{ln (x)} \,\ dx
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  2. #2
    MHF Contributor Amer's Avatar
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    u^2 = ln (x) and change the limit of the integral
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