Sr Examen

Derivada de |x|/|x-2|

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

Gráfico:

interior superior

Definida a trozos:

Solución

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