/1 2 \ / 2 \
|- + -----|*\-1 + x + 4*x/
/ ___\ 2*(2 + x) \x 1 + x/
2*atan\\/ x / + ------------- - ---------------------------
___ ___
\/ x *(1 + x) 4*\/ x *(1 + x)
$$2 \operatorname{atan}{\left(\sqrt{x} \right)} + \frac{2 \left(x + 2\right)}{\sqrt{x} \left(x + 1\right)} - \frac{\left(\frac{2}{x + 1} + \frac{1}{x}\right) \left(x^{2} + 4 x - 1\right)}{4 \sqrt{x} \left(x + 1\right)}$$
/ 2 \ /3 8 4 \
/1 2 \ \-1 + x + 4*x/*|-- + -------- + ---------|
3*(2 + x)*|- + -----| | 2 2 x*(1 + x)|
\x 1 + x/ \x (1 + x) /
3 - --------------------- + -------------------------------------------
2 8
-----------------------------------------------------------------------
___
\/ x *(1 + x)
$$\frac{- \frac{3 \left(x + 2\right) \left(\frac{2}{x + 1} + \frac{1}{x}\right)}{2} + \frac{\left(x^{2} + 4 x - 1\right) \left(\frac{8}{\left(x + 1\right)^{2}} + \frac{4}{x \left(x + 1\right)} + \frac{3}{x^{2}}\right)}{8} + 3}{\sqrt{x} \left(x + 1\right)}$$