I am struggling with this integration for quite a while: $\int_{-\infty }^{\infty }dx \ e^{-x^2}\cos \sqrt{2} \ x $
Any sort of help is appreciated.
I am struggling with this integration for quite a while: $\int_{-\infty }^{\infty }dx \ e^{-x^2}\cos \sqrt{2} \ x $
Any sort of help is appreciated.