Sr Examen

Otras calculadoras

¿Cómo vas a descomponer esta atan(x)+x/(x^2+1)-(3*x^2)/(2*(x^3+1)) expresión en fracciones?

Expresión a simplificar:

Solución

Ha introducido [src]
                         2   
            x         3*x    
atan(x) + ------ - ----------
           2         / 3    \
          x  + 1   2*\x  + 1/
$$- \frac{3 x^{2}}{2 \left(x^{3} + 1\right)} + \left(\frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}\right)$$
atan(x) + x/(x^2 + 1) - 3*x^2/(2*(x^3 + 1))
Simplificación general [src]
              2            
  x        3*x             
------ - -------- + atan(x)
     2          3          
1 + x    2 + 2*x           
$$- \frac{3 x^{2}}{2 x^{3} + 2} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}$$
x/(1 + x^2) - 3*x^2/(2 + 2*x^3) + atan(x)
Respuesta numérica [src]
x/(1.0 + x^2) - 3.0*x^2/(2.0 + 2.0*x^3) + atan(x)
x/(1.0 + x^2) - 3.0*x^2/(2.0 + 2.0*x^3) + atan(x)
Abrimos la expresión [src]
               2             
  x         3*x              
------ - ---------- + atan(x)
 2         / 3    \          
x  + 1   2*\x  + 1/          
$$- \frac{3 x^{2}}{2 \left(x^{3} + 1\right)} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}$$
x/(x^2 + 1) - 3*x^2/(2*(x^3 + 1)) + atan(x)
Compilar la expresión [src]
              2            
  x        3*x             
------ - -------- + atan(x)
     2          3          
1 + x    2 + 2*x           
$$- \frac{3 x^{2}}{2 x^{3} + 2} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}$$
x/(1 + x^2) - 3*x^2/(2 + 2*x^3) + atan(x)
Parte trigonométrica [src]
              2            
  x        3*x             
------ - -------- + atan(x)
     2          3          
1 + x    2 + 2*x           
$$- \frac{3 x^{2}}{2 x^{3} + 2} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}$$
x/(1 + x^2) - 3*x^2/(2 + 2*x^3) + atan(x)
Potencias [src]
              2            
  x        3*x             
------ - -------- + atan(x)
     2          3          
1 + x    2 + 2*x           
$$- \frac{3 x^{2}}{2 x^{3} + 2} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}$$
x/(1 + x^2) - 3*x^2/(2 + 2*x^3) + atan(x)
Combinatoria [src]
   4      2                        2              3              5        
- x  - 3*x  + 2*x + 2*atan(x) + 2*x *atan(x) + 2*x *atan(x) + 2*x *atan(x)
--------------------------------------------------------------------------
                               /     2\ /     2    \                      
                     2*(1 + x)*\1 + x /*\1 + x  - x/                      
$$\frac{2 x^{5} \operatorname{atan}{\left(x \right)} - x^{4} + 2 x^{3} \operatorname{atan}{\left(x \right)} + 2 x^{2} \operatorname{atan}{\left(x \right)} - 3 x^{2} + 2 x + 2 \operatorname{atan}{\left(x \right)}}{2 \left(x + 1\right) \left(x^{2} + 1\right) \left(x^{2} - x + 1\right)}$$
(-x^4 - 3*x^2 + 2*x + 2*atan(x) + 2*x^2*atan(x) + 2*x^3*atan(x) + 2*x^5*atan(x))/(2*(1 + x)*(1 + x^2)*(1 + x^2 - x))
Unión de expresiones racionales [src]
     2 /     2\     /     3\ /    /     2\        \
- 3*x *\1 + x / + 2*\1 + x /*\x + \1 + x /*atan(x)/
---------------------------------------------------
                  /     2\ /     3\                
                2*\1 + x /*\1 + x /                
$$\frac{- 3 x^{2} \left(x^{2} + 1\right) + 2 \left(x + \left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}\right) \left(x^{3} + 1\right)}{2 \left(x^{2} + 1\right) \left(x^{3} + 1\right)}$$
(-3*x^2*(1 + x^2) + 2*(1 + x^3)*(x + (1 + x^2)*atan(x)))/(2*(1 + x^2)*(1 + x^3))
Denominador común [src]
      4            2              
     x  - 2*x + 3*x               
- ---------------------- + atan(x)
         2      3      5          
  2 + 2*x  + 2*x  + 2*x           
$$- \frac{x^{4} + 3 x^{2} - 2 x}{2 x^{5} + 2 x^{3} + 2 x^{2} + 2} + \operatorname{atan}{\left(x \right)}$$
-(x^4 - 2*x + 3*x^2)/(2 + 2*x^2 + 2*x^3 + 2*x^5) + atan(x)
Denominador racional [src]
/       3\ /    /     2\        \      2 /     2\
\2 + 2*x /*\x + \1 + x /*atan(x)/ - 3*x *\1 + x /
-------------------------------------------------
               /     2\ /       3\               
               \1 + x /*\2 + 2*x /               
$$\frac{- 3 x^{2} \left(x^{2} + 1\right) + \left(x + \left(x^{2} + 1\right) \operatorname{atan}{\left(x \right)}\right) \left(2 x^{3} + 2\right)}{\left(x^{2} + 1\right) \left(2 x^{3} + 2\right)}$$
((2 + 2*x^3)*(x + (1 + x^2)*atan(x)) - 3*x^2*(1 + x^2))/((1 + x^2)*(2 + 2*x^3))