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.
0 = 2x(e^(-ax) - x^2*ae^(-ax)
0 = 2x(e^(-ax) - x^2*ae^(-ax)
Natural Language
Math Input
Extended Keyboard
