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(x*sign(x-1))/((x^2)+1)

Derivada de (x*sign(x-1))/((x^2)+1)

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Solución

Ha introducido [src]
x*sign(x - 1)
-------------
     2       
    x  + 1   
$$\frac{x \operatorname{sign}{\left(x - 1 \right)}}{x^{2} + 1}$$
(x*sign(x - 1))/(x^2 + 1)
Gráfica
Primera derivada [src]
                                         2            
2*x*DiracDelta(x - 1) + sign(x - 1)   2*x *sign(x - 1)
----------------------------------- - ----------------
                2                                2    
               x  + 1                    / 2    \     
                                         \x  + 1/     
$$- \frac{2 x^{2} \operatorname{sign}{\left(x - 1 \right)}}{\left(x^{2} + 1\right)^{2}} + \frac{2 x \delta\left(x - 1\right) + \operatorname{sign}{\left(x - 1 \right)}}{x^{2} + 1}$$
Segunda derivada [src]
  /                                                                                                 /         2 \             \
  |                                                                                                 |      4*x  |             |
  |                                                                                               x*|-1 + ------|*sign(-1 + x)|
  |                                                                                                 |          2|             |
  |                                                 2*x*(2*x*DiracDelta(-1 + x) + sign(-1 + x))     \     1 + x /             |
2*|2*DiracDelta(-1 + x) + x*DiracDelta(-1 + x, 1) - ------------------------------------------- + ----------------------------|
  |                                                                         2                                     2           |
  \                                                                    1 + x                                 1 + x            /
-------------------------------------------------------------------------------------------------------------------------------
                                                                  2                                                            
                                                             1 + x                                                             
$$\frac{2 \left(x \delta^{\left( 1 \right)}\left( x - 1 \right) - \frac{2 x \left(2 x \delta\left(x - 1\right) + \operatorname{sign}{\left(x - 1 \right)}\right)}{x^{2} + 1} + \frac{x \left(\frac{4 x^{2}}{x^{2} + 1} - 1\right) \operatorname{sign}{\left(x - 1 \right)}}{x^{2} + 1} + 2 \delta\left(x - 1\right)\right)}{x^{2} + 1}$$
Tercera derivada [src]
  /                                                                                                             /         2 \                                                 /         2 \             \
  |                                                                                                             |      4*x  |                                               2 |      2*x  |             |
  |                                                                                                           3*|-1 + ------|*(2*x*DiracDelta(-1 + x) + sign(-1 + x))   12*x *|-1 + ------|*sign(-1 + x)|
  |                                                                                                             |          2|                                                 |          2|             |
  |                                                    6*x*(2*DiracDelta(-1 + x) + x*DiracDelta(-1 + x, 1))     \     1 + x /                                                 \     1 + x /             |
2*|3*DiracDelta(-1 + x, 1) + x*DiracDelta(-1 + x, 2) - ---------------------------------------------------- + ------------------------------------------------------- - --------------------------------|
  |                                                                                2                                                        2                                              2            |
  |                                                                           1 + x                                                    1 + x                                       /     2\             |
  \                                                                                                                                                                                \1 + x /             /
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                       2                                                                                                 
                                                                                                  1 + x                                                                                                  
$$\frac{2 \left(- \frac{12 x^{2} \left(\frac{2 x^{2}}{x^{2} + 1} - 1\right) \operatorname{sign}{\left(x - 1 \right)}}{\left(x^{2} + 1\right)^{2}} + x \delta^{\left( 2 \right)}\left( x - 1 \right) - \frac{6 x \left(x \delta^{\left( 1 \right)}\left( x - 1 \right) + 2 \delta\left(x - 1\right)\right)}{x^{2} + 1} + 3 \delta^{\left( 1 \right)}\left( x - 1 \right) + \frac{3 \left(2 x \delta\left(x - 1\right) + \operatorname{sign}{\left(x - 1 \right)}\right) \left(\frac{4 x^{2}}{x^{2} + 1} - 1\right)}{x^{2} + 1}\right)}{x^{2} + 1}$$
Gráfico
Derivada de (x*sign(x-1))/((x^2)+1)