The first derivative
[src]
2 2 3
- - + -------- + 4*x
x 2
1 + 4*x
$$4 x^{3} + \frac{2}{4 x^{2} + 1} - \frac{2}{x}$$
The second derivative
[src]
/1 2 8*x \
2*|-- + 6*x - -----------|
| 2 2|
|x / 2\ |
\ \1 + 4*x / /
$$2 \cdot \left(6 x^{2} - \frac{8 x}{\left(4 x^{2} + 1\right)^{2}} + \frac{1}{x^{2}}\right)$$
The third derivative
[src]
/ 2 \
| 1 4 64*x |
4*|- -- - ----------- + 6*x + -----------|
| 3 2 3|
| x / 2\ / 2\ |
\ \1 + 4*x / \1 + 4*x / /
$$4 \cdot \left(6 x + \frac{64 x^{2}}{\left(4 x^{2} + 1\right)^{3}} - \frac{4}{\left(4 x^{2} + 1\right)^{2}} - \frac{1}{x^{3}}\right)$$