Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
evaluate 19xe^(1 − x^2) at x=1/sqrt(2)
evaluate 19xe^(1 − x^2) at x=1/sqrt(2)
Natural Language
Math Input
Extended Keyboard