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Math Help - Integration with limits 1 and infinity.

  1. #1
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    Integration with limits 1 and infinity.

    Show that the integration x*(theta*(1-theta)^(x-1)) dx with limits 1 and infinity equals 1/theta?
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  2. #2
    Junior Member Barioth's Avatar
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    Re: Integration with limits 1 and infinity.

    Hey the integrate you gave doesn,t give 1/theta

    it end up giving something like

    \frac{\theta (1-log(1-\theta))}{(log^2(1-\theta))}

    *Unless i made a mistake*
    Last edited by Barioth; January 16th 2013 at 02:32 PM.
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