Find f′′(x)f''(x)f′′(x) for f(x)=e−x2f(x) = e^{-x^2}f(x)=e−x2.
(−2+4x2)e−x2(-2 + 4x^2)e^{-x^2}(−2+4x2)e−x2
−2xe−x2-2xe^{-x^2}−2xe−x2
4x2e−x24x^2e^{-x^2}4x2e−x2
2e−x22e^{-x^2}2e−x2