/ 3 3 / 3\ / 3\ \
| 9*x 18*x *\1 + 6*x /*atan\1 + 6*x / / 3\|
72*x*|--------------- - ------------------------------- + atan\1 + 6*x /|
| 2 2 |
| / 3\ / 3\ |
\1 + \1 + 6*x / 1 + \1 + 6*x / /
-------------------------------------------------------------------------
2
/ 3\
1 + \1 + 6*x /
$$\frac{72 x \left(- \frac{18 x^{3} \left(6 x^{3} + 1\right) \operatorname{atan}{\left(6 x^{3} + 1 \right)}}{\left(6 x^{3} + 1\right)^{2} + 1} + \frac{9 x^{3}}{\left(6 x^{3} + 1\right)^{2} + 1} + \operatorname{atan}{\left(6 x^{3} + 1 \right)}\right)}{\left(6 x^{3} + 1\right)^{2} + 1}$$
/ 2 \
| 3 6 / 3\ 6 / 3\ 3 / 3\ / 3\ 6 / 3\ / 3\ |
| 54*x 972*x *\1 + 6*x / 324*x *atan\1 + 6*x / 108*x *\1 + 6*x /*atan\1 + 6*x / 1296*x *\1 + 6*x / *atan\1 + 6*x / / 3\|
72*|--------------- - ------------------ - --------------------- - -------------------------------- + ---------------------------------- + atan\1 + 6*x /|
| 2 2 2 2 2 |
| / 3\ / 2\ / 3\ / 3\ / 2\ |
|1 + \1 + 6*x / | / 3\ | 1 + \1 + 6*x / 1 + \1 + 6*x / | / 3\ | |
\ \1 + \1 + 6*x / / \1 + \1 + 6*x / / /
----------------------------------------------------------------------------------------------------------------------------------------------------------
2
/ 3\
1 + \1 + 6*x /
$$\frac{72 \left(\frac{1296 x^{6} \left(6 x^{3} + 1\right)^{2} \operatorname{atan}{\left(6 x^{3} + 1 \right)}}{\left(\left(6 x^{3} + 1\right)^{2} + 1\right)^{2}} - \frac{972 x^{6} \left(6 x^{3} + 1\right)}{\left(\left(6 x^{3} + 1\right)^{2} + 1\right)^{2}} - \frac{324 x^{6} \operatorname{atan}{\left(6 x^{3} + 1 \right)}}{\left(6 x^{3} + 1\right)^{2} + 1} - \frac{108 x^{3} \left(6 x^{3} + 1\right) \operatorname{atan}{\left(6 x^{3} + 1 \right)}}{\left(6 x^{3} + 1\right)^{2} + 1} + \frac{54 x^{3}}{\left(6 x^{3} + 1\right)^{2} + 1} + \operatorname{atan}{\left(6 x^{3} + 1 \right)}\right)}{\left(6 x^{3} + 1\right)^{2} + 1}$$