Monster Integral of (e) -x^2 sigma(n=0,infinity) (-1)^n/(2n)! *x^2n dx from 0 to infinity

Evaluate the Monster Integral of (e) -x^2 sigma(n=0,infinity) (-1)^n/(2n)! *x^2n dx from 0 to infinity . If you like the videos you can share it to your community and subscribe to get more videos when updated.