Sr Examen

Derivada de (x×sin(x))/|x|

Función f() - derivada -er orden en el punto
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
x*sin(x)
--------
  |x|   
$$\frac{x \sin{\left(x \right)}}{\left|{x}\right|}$$
(x*sin(x))/|x|
Primera derivada [src]
x*cos(x) + sin(x)   sign(x)*sin(x)
----------------- - --------------
       |x|                x       
$$\frac{x \cos{\left(x \right)} + \sin{\left(x \right)}}{\left|{x}\right|} - \frac{\sin{\left(x \right)} \operatorname{sign}{\left(x \right)}}{x}$$
Segunda derivada [src]
 /                         /  sign(x)                \                                       \
 |                       2*|- ------- + DiracDelta(x)|*sin(x)                                |
 |-2*cos(x) + x*sin(x)     \     x                   /          2*(x*cos(x) + sin(x))*sign(x)|
-|-------------------- + ------------------------------------ + -----------------------------|
 |        |x|                             x                                    2             |
 \                                                                            x              /
$$- (\frac{x \sin{\left(x \right)} - 2 \cos{\left(x \right)}}{\left|{x}\right|} + \frac{2 \left(\delta\left(x\right) - \frac{\operatorname{sign}{\left(x \right)}}{x}\right) \sin{\left(x \right)}}{x} + \frac{2 \left(x \cos{\left(x \right)} + \sin{\left(x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{2}})$$
Tercera derivada [src]
                                                                              /  4*DiracDelta(x)   3*sign(x)                   \                                          
                                              /  sign(x)                \   2*|- --------------- + --------- + DiracDelta(x, 1)|*sin(x)                                   
                        6*(x*cos(x) + sin(x))*|- ------- + DiracDelta(x)|     |         x               2                      |                                          
  3*sin(x) + x*cos(x)                         \     x                   /     \                        x                       /          3*(-2*cos(x) + x*sin(x))*sign(x)
- ------------------- - ------------------------------------------------- - ----------------------------------------------------------- + --------------------------------
          |x|                                    2                                                       x                                                2               
                                                x                                                                                                        x                
$$- \frac{x \cos{\left(x \right)} + 3 \sin{\left(x \right)}}{\left|{x}\right|} - \frac{2 \left(\delta^{\left( 1 \right)}\left( x \right) - \frac{4 \delta\left(x\right)}{x} + \frac{3 \operatorname{sign}{\left(x \right)}}{x^{2}}\right) \sin{\left(x \right)}}{x} + \frac{3 \left(x \sin{\left(x \right)} - 2 \cos{\left(x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{2}} - \frac{6 \left(x \cos{\left(x \right)} + \sin{\left(x \right)}\right) \left(\delta\left(x\right) - \frac{\operatorname{sign}{\left(x \right)}}{x}\right)}{x^{2}}$$