Question Number 219482 by Nicholas666 last updated on 26/Apr/25
$$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\int\:\:\frac{{e}^{−{x}^{\mathrm{2}} } \mathrm{cos}\:\left({x}\right)}{{x}^{\mathrm{2}} +\mathrm{1}}\:{dx} \\ $$$$ \\ $$
Commented by Nicholas666 last updated on 29/Apr/25
https://www.quora.com/How-do-you-evaluate-the-integral-of-e-x%C2%B2-cosx-x%C2%B2-1-by-using-Feynman-s-method/answer/Bekicot-5?ch=10&oid=1477743857035056&share=4f8eccbb&srid=5Xg5SU&target_type=answer