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Math in quantum physics

  1. Apr 19, 2015 #1
    -∞(e(-x2)/(x02)) dx =π0.5x0

    How do you get this? Sorry my math sucks.
  2. jcsd
  3. Apr 19, 2015 #2


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  4. Apr 19, 2015 #3


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    The standard normal distribution has a density function [itex]f(x)=\frac{1}{\sqrt {2\pi}}e^{-\frac{x^2}{2}}[/itex] with [itex]\int_{-\infty}^{\infty}f(x)dx=1[/itex].

    Make the appropriate change of variables and you get the equation you have.
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