Sr Examen

Derivada de |x|sinx/x

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

Gráfico:

interior superior

Definida a trozos:

Solución

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