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Integral of dx/((x+1)*(x+3)) dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
  1                   
  /                   
 |                    
 |         1          
 |  --------------- dx
 |  (x + 1)*(x + 3)   
 |                    
/                     
0                     
$$\int\limits_{0}^{1} \frac{1}{\left(x + 1\right) \left(x + 3\right)}\, dx$$
Integral(1/((x + 1)*(x + 3)), (x, 0, 1))
The answer (Indefinite) [src]
  /                                                
 |                                                 
 |        1                 log(1 + x)   log(3 + x)
 | --------------- dx = C + ---------- - ----------
 | (x + 1)*(x + 3)              2            2     
 |                                                 
/                                                  
$$\int \frac{1}{\left(x + 1\right) \left(x + 3\right)}\, dx = C + \frac{\log{\left(x + 1 \right)}}{2} - \frac{\log{\left(x + 3 \right)}}{2}$$
The graph
The answer [src]
log(2)   log(3)   log(4)
------ + ------ - ------
  2        2        2   
$$- \frac{\log{\left(4 \right)}}{2} + \frac{\log{\left(2 \right)}}{2} + \frac{\log{\left(3 \right)}}{2}$$
=
=
log(2)   log(3)   log(4)
------ + ------ - ------
  2        2        2   
$$- \frac{\log{\left(4 \right)}}{2} + \frac{\log{\left(2 \right)}}{2} + \frac{\log{\left(3 \right)}}{2}$$
log(2)/2 + log(3)/2 - log(4)/2
Numerical answer [src]
0.202732554054082
0.202732554054082

    Use the examples entering the upper and lower limits of integration.