d
--((x4 + 3, x2 - 2*x + 1))
dx
$$\frac{\partial}{\partial x} \left( x_{4} + 3, \ \left(- 2 x + x_{2}\right) + 1\right)$$
2
d
---((x4 + 3, x2 - 2*x + 1))
2
dx
$$\frac{\partial^{2}}{\partial x^{2}} \left( x_{4} + 3, \ \left(- 2 x + x_{2}\right) + 1\right)$$
3
d
---((x4 + 3, x2 - 2*x + 1))
3
dx
$$\frac{\partial^{3}}{\partial x^{3}} \left( x_{4} + 3, \ \left(- 2 x + x_{2}\right) + 1\right)$$