atan(x - 1) atan(x - 1)
e e
- ------------ + ----------------------
2 / 2\
(x + 1) \1 + (x - 1) /*(x + 1)
$$\frac{e^{\operatorname{atan}{\left(x - 1 \right)}}}{\left(x + 1\right) \left(\left(x - 1\right)^{2} + 1\right)} - \frac{e^{\operatorname{atan}{\left(x - 1 \right)}}}{\left(x + 1\right)^{2}}$$
/ 2 -3 + 2*x 2 \ atan(-1 + x)
|-------- - ---------------- - -----------------------|*e
| 2 2 / 2\|
|(1 + x) / 2\ (1 + x)*\1 + (-1 + x) /|
\ \1 + (-1 + x) / /
---------------------------------------------------------------------
1 + x
$$\frac{\left(- \frac{2 x - 3}{\left(\left(x - 1\right)^{2} + 1\right)^{2}} - \frac{2}{\left(x + 1\right) \left(\left(x - 1\right)^{2} + 1\right)} + \frac{2}{\left(x + 1\right)^{2}}\right) e^{\operatorname{atan}{\left(x - 1 \right)}}}{x + 1}$$
/ 2 \
| 1 6*(-1 + x) 8*(-1 + x) |
| -2 + ------------- - ------------- + ------------- |
| 2 2 2 |
| 6 1 + (-1 + x) 1 + (-1 + x) 1 + (-1 + x) 6 3*(-3 + 2*x) | atan(-1 + x)
|- -------- + -------------------------------------------------- + ------------------------ + ------------------------|*e
| 3 2 2 / 2\ 2|
| (1 + x) / 2\ (1 + x) *\1 + (-1 + x) / / 2\ |
\ \1 + (-1 + x) / (1 + x)*\1 + (-1 + x) / /
-------------------------------------------------------------------------------------------------------------------------------------
1 + x
$$\frac{\left(\frac{\frac{8 \left(x - 1\right)^{2}}{\left(x - 1\right)^{2} + 1} - \frac{6 \left(x - 1\right)}{\left(x - 1\right)^{2} + 1} - 2 + \frac{1}{\left(x - 1\right)^{2} + 1}}{\left(\left(x - 1\right)^{2} + 1\right)^{2}} + \frac{3 \left(2 x - 3\right)}{\left(x + 1\right) \left(\left(x - 1\right)^{2} + 1\right)^{2}} + \frac{6}{\left(x + 1\right)^{2} \left(\left(x - 1\right)^{2} + 1\right)} - \frac{6}{\left(x + 1\right)^{3}}\right) e^{\operatorname{atan}{\left(x - 1 \right)}}}{x + 1}$$