Sommaire



Calculons la primitive :
                               /        1
 1)  Calculer la primitive de |  ln(x) ---  dx 
                              /         x
                             

    /          1
   |    ln(x) --- dx  = 
   /           x
                                                      
                         __________________
                        |      u =  ln(x)  |            
                        |     du = 1/x dx  |                    
                        |__________________| 
                             

                          /   
                      =  |   u  du
                         /    

                      =    (u**2/2)  + c
    
                      =    1/2 ln(x)**2  + c