2*x
------------------- + asin(2*x + 1)
________________
/ 2
\/ 1 - (2*x + 1)
$$\operatorname{asin}{\left(2 x + 1 \right)} + \frac{2 x}{\sqrt{- \left(2 x + 1\right)^{2} + 1}}$$
/ x*(1 + 2*x) \
4*|1 + --------------|
| 2|
\ 1 - (1 + 2*x) /
----------------------
________________
/ 2
\/ 1 - (1 + 2*x)
$$\frac{4 \left(\frac{x \left(2 x + 1\right)}{- \left(2 x + 1\right)^{2} + 1} + 1\right)}{\sqrt{- \left(2 x + 1\right)^{2} + 1}}$$
/ / 2 \\
| | 3*(1 + 2*x) ||
4*|3 + 6*x - 2*x*|-1 + ---------------||
| | 2||
\ \ -1 + (1 + 2*x) //
----------------------------------------
3/2
/ 2\
\1 - (1 + 2*x) /
$$\frac{4 \left(- 2 x \left(\frac{3 \left(2 x + 1\right)^{2}}{\left(2 x + 1\right)^{2} - 1} - 1\right) + 6 x + 3\right)}{\left(- \left(2 x + 1\right)^{2} + 1\right)^{\frac{3}{2}}}$$