$∫ e^{tan^{-1}x}\bigg(\large\frac{1+x+x^2}{1+x^2}\bigg)$$dx$

Question

$\begin{array}{1 1} xe^{\tan ^{-1}x}+c \\x^2e^{\tan ^{-1}x}+c \\ xe^{\cos ^{-1}x}+c \\ xe^{\sin ^{-1}x}+c\end{array}$