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Math Help - improper integral

  1. #1
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    improper integral

    evaluate improper integral

    \int_e^infinity{1/x(lnx)^2 \,dx}
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  2. #2
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    Quote Originally Posted by fastman390 View Post
    evaluate improper integral

    \int_e^infinity{1/x(lnx)^2 \,dx}
    Let u= ln(x), of course.
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