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y=cos3x/(x^2+2)

Derivada de y=cos3x/(x^2+2)

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

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Solución

Ha introducido [src]
cos(3*x)
--------
  2     
 x  + 2 
$$\frac{\cos{\left(3 x \right)}}{x^{2} + 2}$$
cos(3*x)/(x^2 + 2)
Gráfica
Primera derivada [src]
  3*sin(3*x)   2*x*cos(3*x)
- ---------- - ------------
     2                  2  
    x  + 2      / 2    \   
                \x  + 2/   
$$- \frac{2 x \cos{\left(3 x \right)}}{\left(x^{2} + 2\right)^{2}} - \frac{3 \sin{\left(3 x \right)}}{x^{2} + 2}$$
Segunda derivada [src]
                /         2 \                         
                |      4*x  |                         
              2*|-1 + ------|*cos(3*x)                
                |          2|                         
                \     2 + x /            12*x*sin(3*x)
-9*cos(3*x) + ------------------------ + -------------
                            2                     2   
                       2 + x                 2 + x    
------------------------------------------------------
                             2                        
                        2 + x                         
$$\frac{\frac{12 x \sin{\left(3 x \right)}}{x^{2} + 2} - 9 \cos{\left(3 x \right)} + \frac{2 \left(\frac{4 x^{2}}{x^{2} + 2} - 1\right) \cos{\left(3 x \right)}}{x^{2} + 2}}{x^{2} + 2}$$
Tercera derivada [src]
  /               /         2 \                                /         2 \         \
  |               |      4*x  |                                |      2*x  |         |
  |             6*|-1 + ------|*sin(3*x)                   8*x*|-1 + ------|*cos(3*x)|
  |               |          2|                                |          2|         |
  |               \     2 + x /            18*x*cos(3*x)       \     2 + x /         |
3*|9*sin(3*x) - ------------------------ + ------------- - --------------------------|
  |                           2                     2                      2         |
  |                      2 + x                 2 + x               /     2\          |
  \                                                                \2 + x /          /
--------------------------------------------------------------------------------------
                                             2                                        
                                        2 + x                                         
$$\frac{3 \left(\frac{18 x \cos{\left(3 x \right)}}{x^{2} + 2} - \frac{8 x \left(\frac{2 x^{2}}{x^{2} + 2} - 1\right) \cos{\left(3 x \right)}}{\left(x^{2} + 2\right)^{2}} + 9 \sin{\left(3 x \right)} - \frac{6 \left(\frac{4 x^{2}}{x^{2} + 2} - 1\right) \sin{\left(3 x \right)}}{x^{2} + 2}\right)}{x^{2} + 2}$$
Gráfico
Derivada de y=cos3x/(x^2+2)