Radicali : forma simplificata de scriere a numerelor irationale (acestea contin o infinitate de cifre dupa virgula

care nu se repeta periodic).  

 Exemplu :   1,41421356237….. = 

        

Proprietati :

                           -inmultirea:       

 

                           -impartirea :     

 

*                         -pentru:       ;        se introduc termeni sub radical sau se scot.

 

*                                   Ex: ;

*

*                          ,,

 

*                         ,

 

*                        

 

*                           ,

 

*                          ,

 

*                          ,

 

*                          ,

 

*                          ,

 

*                           ,

 

*                          ,

 

*                        

 

*                        

 

*                        

 

*                        

 

*                        

*                *