Sr Examen

Derivada de |x|/|x|+1

Función f() - derivada -er orden en el punto
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Gráfico:

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Solución

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