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Math Help - Improper integral

  1. #1
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    Improper integral

    Prove that \int_{-\infty}^\infty e^{-ix^2}(1-2ix^2)dx=\int_{-\infty}^\infty e^{-ix^2}dx
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  2. #2
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    Re: Improper integral

    I think that the first step should be to split the integral at zero?
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