D[e^(-x^2/(1-x^2))*(1-x^2+sqrt((1-x^2)^2))/2,{x,1}]*(1-x^2)^2+e^(-x^2/(1-x^2))*(1-x^2+sqrt((1-x^2)^2))/2*(4x-2x^3)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.