/ ________________ \
/ 3 + 9*x \ | / 2 |
13*|3 + -------------------|*sign\1 + \/ (3*x + 1) + 1 + 3*x/
| ________________|
| / 2 |
\ \/ (3*x + 1) + 1 /
----------------------------------------------------------------
| ________________|
| / 2 |
9*|3*x + 1 + \/ (3*x + 1) + 1 |
$$\frac{13 \left(\frac{9 x + 3}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 3\right) \operatorname{sign}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{9 \left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|}$$
/ 2 / ________________ \ 2 / ________________ \ \
| / 1 + 3*x \ 2| / 2 | / 1 + 3*x \ | / 2 | / 2 \ / ________________ \|
| |1 + -------------------| *sign \1 + \/ 1 + (1 + 3*x) + 3*x/ 2*|1 + -------------------| *DiracDelta\1 + \/ 1 + (1 + 3*x) + 3*x/ | (1 + 3*x) | | / 2 ||
| | ________________| | ________________| |-1 + --------------|*sign\1 + \/ 1 + (1 + 3*x) + 3*x/|
| | / 2 | | / 2 | | 2| |
| \ \/ 1 + (1 + 3*x) / \ \/ 1 + (1 + 3*x) / \ 1 + (1 + 3*x) / |
13*|- --------------------------------------------------------------- + ---------------------------------------------------------------------- - ---------------------------------------------------------|
| 2 | ________________ | ________________ | ________________ | |
| / ________________ \ | / 2 | / 2 | / 2 | |
| | / 2 | |1 + \/ 1 + (1 + 3*x) + 3*x| \/ 1 + (1 + 3*x) *|1 + \/ 1 + (1 + 3*x) + 3*x| |
\ \1 + \/ 1 + (1 + 3*x) + 3*x/ /
$$13 \cdot \left(\frac{2 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right)^{2} \delta\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)}{\left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|} - \frac{\left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right)^{2} \operatorname{sign}^{2}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)^{2}} - \frac{\left(\frac{\left(3 x + 1\right)^{2}}{\left(3 x + 1\right)^{2} + 1} - 1\right) \operatorname{sign}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\sqrt{\left(3 x + 1\right)^{2} + 1} \left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|}\right)$$
/ 3 / ________________ \ 3 / ________________ \ 3 / ________________ \ / ________________ \ / 2 \ / ________________ \ / ________________ \ / 2 \\
| / 1 + 3*x \ 2| / 2 | / 1 + 3*x \ | / 2 | / 1 + 3*x \ | / 2 | | / 2 | / 1 + 3*x \ | (1 + 3*x) | | / 2 | / 2 \ / ________________ \ 2| / 2 | / 1 + 3*x \ | (1 + 3*x) ||
|2*|1 + -------------------| *sign \1 + \/ 1 + (1 + 3*x) + 3*x/ 2*|1 + -------------------| *DiracDelta\1 + \/ 1 + (1 + 3*x) + 3*x, 1/ 6*|1 + -------------------| *DiracDelta\1 + \/ 1 + (1 + 3*x) + 3*x/*sign\1 + \/ 1 + (1 + 3*x) + 3*x/ 6*|1 + -------------------|*|-1 + --------------|*DiracDelta\1 + \/ 1 + (1 + 3*x) + 3*x/ | (1 + 3*x) | | / 2 | 3*sign \1 + \/ 1 + (1 + 3*x) + 3*x/*|1 + -------------------|*|-1 + --------------||
| | ________________| | ________________| | ________________| | ________________| | 2| 3*(1 + 3*x)*|-1 + --------------|*sign\1 + \/ 1 + (1 + 3*x) + 3*x/ | ________________| | 2||
| | / 2 | | / 2 | | / 2 | | / 2 | \ 1 + (1 + 3*x) / | 2| | / 2 | \ 1 + (1 + 3*x) /|
| \ \/ 1 + (1 + 3*x) / \ \/ 1 + (1 + 3*x) / \ \/ 1 + (1 + 3*x) / \ \/ 1 + (1 + 3*x) / \ 1 + (1 + 3*x) / \ \/ 1 + (1 + 3*x) / |
39*|----------------------------------------------------------------- + ------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------- + --------------------------------------------------------------------- + --------------------------------------------------------------------------------------|
| 3 | ________________ | 2 ________________ | ________________ | 3/2 | ________________ | 2 |
| / ________________ \ | / 2 | / ________________ \ / 2 | / 2 | / 2\ | / 2 | ________________ / ________________ \ |
| | / 2 | |1 + \/ 1 + (1 + 3*x) + 3*x| | / 2 | \/ 1 + (1 + 3*x) *|1 + \/ 1 + (1 + 3*x) + 3*x| \1 + (1 + 3*x) / *|1 + \/ 1 + (1 + 3*x) + 3*x| / 2 | / 2 | |
\ \1 + \/ 1 + (1 + 3*x) + 3*x/ \1 + \/ 1 + (1 + 3*x) + 3*x/ \/ 1 + (1 + 3*x) *\1 + \/ 1 + (1 + 3*x) + 3*x/ /
$$39 \cdot \left(\frac{2 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right)^{3} \delta^{\left( 1 \right)}\left( 3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}{\left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|} - \frac{6 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right)^{3} \delta\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right) \operatorname{sign}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)^{2}} + \frac{2 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right)^{3} \operatorname{sign}^{2}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)^{3}} - \frac{6 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right) \left(\frac{\left(3 x + 1\right)^{2}}{\left(3 x + 1\right)^{2} + 1} - 1\right) \delta\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)}{\sqrt{\left(3 x + 1\right)^{2} + 1} \left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|} + \frac{3 \left(\frac{3 x + 1}{\sqrt{\left(3 x + 1\right)^{2} + 1}} + 1\right) \left(\frac{\left(3 x + 1\right)^{2}}{\left(3 x + 1\right)^{2} + 1} - 1\right) \operatorname{sign}^{2}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\sqrt{\left(3 x + 1\right)^{2} + 1} \left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1\right)^{2}} + \frac{3 \cdot \left(3 x + 1\right) \left(\frac{\left(3 x + 1\right)^{2}}{\left(3 x + 1\right)^{2} + 1} - 1\right) \operatorname{sign}{\left(3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1 \right)}}{\left(\left(3 x + 1\right)^{2} + 1\right)^{\frac{3}{2}} \left|{3 x + \sqrt{\left(3 x + 1\right)^{2} + 1} + 1}\right|}\right)$$