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(4x-3)/(2x^2-3x-7)

Integral of (4x-3)/(2x^2-3x-7) dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
  1                  
  /                  
 |                   
 |     4*x - 3       
 |  -------------- dx
 |     2             
 |  2*x  - 3*x - 7   
 |                   
/                    
0                    
$$\int\limits_{0}^{1} \frac{4 x - 3}{2 x^{2} - 3 x - 7}\, dx$$
Detail solution
We have the integral:
  /                   
 |                    
 |      4*x - 3       
 | 1*-------------- dx
 |      2             
 |   2*x  - 3*x - 7   
 |                    
/                     
Rewrite the integrand
   4*x - 3           2*2*x - 3   
-------------- = 1*--------------
   2                  2          
2*x  - 3*x - 7     2*x  - 3*x - 7
or
  /                     
 |                      
 |      4*x - 3         
 | 1*-------------- dx  
 |      2              =
 |   2*x  - 3*x - 7     
 |                      
/                       
  
  /                 
 |                  
 |   2*2*x - 3      
 | -------------- dx
 |    2             
 | 2*x  - 3*x - 7   
 |                  
/                   
In the integral
  /                 
 |                  
 |   2*2*x - 3      
 | -------------- dx
 |    2             
 | 2*x  - 3*x - 7   
 |                  
/                   
do replacement
              2
u = -3*x + 2*x 
then
the integral =
  /                       
 |                        
 |   1                    
 | ------ du = log(-7 + u)
 | -7 + u                 
 |                        
/                         
do backward replacement
  /                                        
 |                                         
 |   2*2*x - 3            /              2\
 | -------------- dx = log\-7 - 3*x + 2*x /
 |    2                                    
 | 2*x  - 3*x - 7                          
 |                                         
/                                          
Solution is:
       /              2\
C + log\-7 - 3*x + 2*x /
The answer (Indefinite) [src]
  /                                           
 |                                            
 |    4*x - 3                 /   2          \
 | -------------- dx = C + log\2*x  - 3*x - 7/
 |    2                                       
 | 2*x  - 3*x - 7                             
 |                                            
/                                             
$$\log \left(2\,x^2-3\,x-7\right)$$
The graph
The answer [src]
-log(7) + log(8)
$$\log 8-\log 7$$
=
=
-log(7) + log(8)
$$- \log{\left(7 \right)} + \log{\left(8 \right)}$$
Numerical answer [src]
0.133531392624523
0.133531392624523
The graph
Integral of (4x-3)/(2x^2-3x-7) dx

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