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Derivative of (sin(3*x)-3*x*e^x+3*x^2)/(arctg(x)-sin(x)-(x^3)/6)

Function f() - derivative -N order at the point
v

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The solution

You have entered [src]
                x      2
sin(3*x) - 3*x*E  + 3*x 
------------------------
                     3  
                    x   
 atan(x) - sin(x) - --  
                    6   
$$\frac{3 x^{2} + \left(- e^{x} 3 x + \sin{\left(3 x \right)}\right)}{- \frac{x^{3}}{6} + \left(- \sin{\left(x \right)} + \operatorname{atan}{\left(x \right)}\right)}$$
(sin(3*x) - 3*x*E^x + 3*x^2)/(atan(x) - sin(x) - x^3/6)
The graph
The first derivative [src]
                                                                / 2                  \
                                     /                x      2\ |x      1            |
                                     \sin(3*x) - 3*x*E  + 3*x /*|-- - ------ + cos(x)|
     x                           x                              |2         2         |
- 3*e  + 3*cos(3*x) + 6*x - 3*x*e                               \     1 + x          /
---------------------------------- + -------------------------------------------------
                          3                                              2            
                         x                        /                    3\             
      atan(x) - sin(x) - --                       |                   x |             
                         6                        |atan(x) - sin(x) - --|             
                                                  \                   6 /             
$$\frac{\left(3 x^{2} + \left(- e^{x} 3 x + \sin{\left(3 x \right)}\right)\right) \left(\frac{x^{2}}{2} + \cos{\left(x \right)} - \frac{1}{x^{2} + 1}\right)}{\left(- \frac{x^{3}}{6} + \left(- \sin{\left(x \right)} + \operatorname{atan}{\left(x \right)}\right)\right)^{2}} + \frac{- 3 x e^{x} + 6 x - 3 e^{x} + 3 \cos{\left(3 x \right)}}{- \frac{x^{3}}{6} + \left(- \sin{\left(x \right)} + \operatorname{atan}{\left(x \right)}\right)}$$
The second derivative [src]
   /                                                                                                                        /                                       2            \\
   |                                                                                                                        |               / 2     2              \             ||
   |                                                                                                                        |             3*|x  - ------ + 2*cos(x)|             ||
   |                                                                                                                        |               |          2           |             ||
   |                                                                                             /   2        x           \ |               \     1 + x            /       2*x   ||
   |                                  / 2     2              \ /                     x    x\   2*\3*x  - 3*x*e  + sin(3*x)/*|x - sin(x) - --------------------------- + ---------||
   |                                6*|x  - ------ + 2*cos(x)|*\-cos(3*x) - 2*x + x*e  + e /                                |               3                                   2||
   |                                  |          2           |                                                              |              x  - 6*atan(x) + 6*sin(x)    /     2\ ||
   |        x                   x     \     1 + x            /                                                              \                                           \1 + x / /|
18*|-2 + 2*e  + 3*sin(3*x) + x*e  - -------------------------------------------------------- + -----------------------------------------------------------------------------------|
   |                                                3                                                                        3                                                    |
   \                                               x  - 6*atan(x) + 6*sin(x)                                                x  - 6*atan(x) + 6*sin(x)                             /
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                              3                                                                                                    
                                                                             x  - 6*atan(x) + 6*sin(x)                                                                             
$$\frac{18 \left(x e^{x} - \frac{6 \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right) \left(x e^{x} - 2 x + e^{x} - \cos{\left(3 x \right)}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} + \frac{2 \left(3 x^{2} - 3 x e^{x} + \sin{\left(3 x \right)}\right) \left(x + \frac{2 x}{\left(x^{2} + 1\right)^{2}} - \frac{3 \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right)^{2}}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} - \sin{\left(x \right)}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} + 2 e^{x} + 3 \sin{\left(3 x \right)} - 2\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}}$$
The third derivative [src]
   /                              /                                       2            \                                                                                                                           /                                            3                  /                2*x   \ / 2     2              \         \\
   |                              |               / 2     2              \             |                                                                                                                           |                    / 2     2              \                18*|x - sin(x) + ---------|*|x  - ------ + 2*cos(x)|         ||
   |                              |             3*|x  - ------ + 2*cos(x)|             |                                                                                                                           |                 27*|x  - ------ + 2*cos(x)|                   |                     2| |          2           |         ||
   |                              |               |          2           |             |                                                                                                                           |                    |          2           |          2        |             /     2\ | \     1 + x            /         ||
   |                              |               \     1 + x            /       2*x   | /                     x    x\                                                                  /   2        x           \ |         2          \     1 + x            /       8*x         \             \1 + x / /                                  ||
   |                           18*|x - sin(x) - --------------------------- + ---------|*\-cos(3*x) - 2*x + x*e  + e /     / 2     2              \ /        x                   x\   2*\3*x  - 3*x*e  + sin(3*x)/*|-1 - --------- - ---------------------------- + --------- + ---------------------------------------------------- + cos(x)||
   |                              |               3                                   2|                                 9*|x  - ------ + 2*cos(x)|*\-2 + 2*e  + 3*sin(3*x) + x*e /                                |             2                              2           3                 3                                              ||
   |                              |              x  - 6*atan(x) + 6*sin(x)    /     2\ |                                   |          2           |                                                                |     /     2\    / 3                       \    /     2\                 x  - 6*atan(x) + 6*sin(x)                       ||
   |   x                   x      \                                           \1 + x / /                                   \     1 + x            /                                                                \     \1 + x /    \x  - 6*atan(x) + 6*sin(x)/    \1 + x /                                                                 /|
18*|3*e  + 9*cos(3*x) + x*e  - --------------------------------------------------------------------------------------- - ---------------------------------------------------------- - --------------------------------------------------------------------------------------------------------------------------------------------------------|
   |                                                           3                                                                          3                                                                                                           3                                                                                       |
   \                                                          x  - 6*atan(x) + 6*sin(x)                                                  x  - 6*atan(x) + 6*sin(x)                                                                                   x  - 6*atan(x) + 6*sin(x)                                                                /
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                                                                                                                                                            3                                                                                                                                                                                  
                                                                                                                                                           x  - 6*atan(x) + 6*sin(x)                                                                                                                                                           
$$\frac{18 \left(x e^{x} - \frac{9 \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right) \left(x e^{x} + 2 e^{x} + 3 \sin{\left(3 x \right)} - 2\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} - \frac{2 \left(3 x^{2} - 3 x e^{x} + \sin{\left(3 x \right)}\right) \left(\frac{8 x^{2}}{\left(x^{2} + 1\right)^{3}} + \frac{18 \left(x + \frac{2 x}{\left(x^{2} + 1\right)^{2}} - \sin{\left(x \right)}\right) \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} - \frac{27 \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right)^{3}}{\left(x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}\right)^{2}} + \cos{\left(x \right)} - 1 - \frac{2}{\left(x^{2} + 1\right)^{2}}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} + 3 e^{x} + 9 \cos{\left(3 x \right)} - \frac{18 \left(x + \frac{2 x}{\left(x^{2} + 1\right)^{2}} - \frac{3 \left(x^{2} + 2 \cos{\left(x \right)} - \frac{2}{x^{2} + 1}\right)^{2}}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}} - \sin{\left(x \right)}\right) \left(x e^{x} - 2 x + e^{x} - \cos{\left(3 x \right)}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}}\right)}{x^{3} + 6 \sin{\left(x \right)} - 6 \operatorname{atan}{\left(x \right)}}$$