Esercizi proposti.

 

Calcolare le seguenti espressioni:

 

a)                                                      

 

b)                                                                                                     

 

 

c)                                                                                          

 

 

d)  ,                                             

 

 

Stabilire l’insieme di definizione D delle seguenti espressioni

 

,                                                                                                  

 

,