Find ddx[earctan(x2)]\frac{d}{dx} \left[ e^{\arctan(x^2)} \right]dxd[earctan(x2)].
2xearctan(x2)1+x4\frac{2x e^{\arctan(x^2)}}{1 + x^4}1+x42xearctan(x2)
earctan(x2)1+x2\frac{e^{\arctan(x^2)}}{1 + x^2}1+x2earctan(x2)
2x1+x4earctan(x2)\frac{2x}{1+x^4} e^{\arctan(x^2)}1+x42xearctan(x2)
2x1+x2earctan(x2)\frac{2x}{1+x^2} e^{\arctan(x^2)}1+x22xearctan(x2)