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Math Help - Complex integration

  1. #1
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    Complex integration

    Show that if

    F(t)= U(t)+ i V(t)

    then

    \int_{a}^{b} F(t) dt =\int_{-b}^{-a} F(-t) dt
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  2. #2
    MHF Contributor chisigma's Avatar
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    Setting \tau= -t You obtain...

    \displaystyle \int_{-b}^{-a} f(-\tau)\ d\tau= -\int_{b}^{a} f(t)\ dt= \int_{a}^{b} f(t)\ dt

    Kind regards

    \chi \sigma
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