f(x)=∫(0到x)e的-t^2次方dt则一阶导数：e^(-x^2).二阶导数：-2xe^(-x^2)三阶导数：-2e^(-x^2)+4x^2e^(-x^2)四阶导数：-4xe^(-x^2)+8xe^(-x^2)-8x^3e^(-x^2).显然,f(0)=0f'(0)=1f''(0)=0f'''(0)=-2则当n为奇数时,f^(...