1 log(x - 1) 1
---------- - ---------- + -----------------
/ 2\ 2 4*(x + 1)*(x - 1)
2*\1 + x / 4*(x + 1)
$$\frac{1}{2 \left(x^{2} + 1\right)} - \frac{\log{\left(x - 1 \right)}}{4 \left(x + 1\right)^{2}} + \frac{1}{4 \left(x - 1\right) \left(x + 1\right)}$$
log(-1 + x) x 1 1
----------- - --------- - ------------------- - -------------------
3 2 2 2
2*(1 + x) / 2\ 2*(1 + x) *(-1 + x) 4*(1 + x)*(-1 + x)
\1 + x /
$$- \frac{x}{\left(x^{2} + 1\right)^{2}} + \frac{\log{\left(x - 1 \right)}}{2 \left(x + 1\right)^{3}} - \frac{1}{2 \left(x - 1\right) \left(x + 1\right)^{2}} - \frac{1}{4 \left(x - 1\right)^{2} \left(x + 1\right)}$$
2
1 1 4*x 3*log(-1 + x) 3 3
- --------- + ------------------- + --------- - ------------- + ------------------- + --------------------
2 3 3 4 3 2 2
/ 2\ 2*(1 + x)*(-1 + x) / 2\ 2*(1 + x) 2*(1 + x) *(-1 + x) 4*(1 + x) *(-1 + x)
\1 + x / \1 + x /
$$\frac{4 x^{2}}{\left(x^{2} + 1\right)^{3}} - \frac{1}{\left(x^{2} + 1\right)^{2}} - \frac{3 \log{\left(x - 1 \right)}}{2 \left(x + 1\right)^{4}} + \frac{3}{2 \left(x - 1\right) \left(x + 1\right)^{3}} + \frac{3}{4 \left(x - 1\right)^{2} \left(x + 1\right)^{2}} + \frac{1}{2 \left(x - 1\right)^{3} \left(x + 1\right)}$$