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Solving integrals/ x/(x^2+cos2x)

Integral of x/(x^2+cos2x) dx

Limits of integration:

from to
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The graph:

from to

Piecewise:

The solution

You have entered [src] 
 oo                 
  /                 
 |                  
 |        x         
 |  ------------- dx
 |   2              
 |  x  + cos(2*x)   
 |                  
/                   
2
$$\int\limits_{2}^{\infty} \frac{x}{x^{2} + \cos{\left(2 x \right)}}\, dx$$ 
Integral(x/(x^2 + cos(2*x)), (x, 2, oo))
The answer (Indefinite) [src]
$$\int {{{x}\over{\cos \left(2\,x\right)+x^2}}}{\;dx}$$
Simplify
The answer [src] 
 oo                 
  /                 
 |                  
 |        x         
 |  ------------- dx
 |   2              
 |  x  + cos(2*x)   
 |                  
/                   
2
$$\int_{2}^{{\it oo}}{{{x}\over{\cos \left(2\,x\right)+x^2}}\;dx}$$ 
=
= 
 oo                 
  /                 
 |                  
 |        x         
 |  ------------- dx
 |   2              
 |  x  + cos(2*x)   
 |                  
/                   
2
$$\int\limits_{2}^{\infty} \frac{x}{x^{2} + \cos{\left(2 x \right)}}\, dx$$
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    Use the examples entering the upper and lower limits of integration.

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