Răspuns:
radical 0,(1) = radical 1/9=1/3
-radical 7/4=-radical 7/2
3
-3
0,1(6)^-1 = 16-1/90^-1=15/90^-1=1/6^-1=6
radical 7
C Intersectat cu D = 3,6 rezulta D = {3,6}
C U D = {1/3; Radical 7/2; 3, -3, 6 radical 7 ; radical7/3}
D= {radical 7/3; 3, 6}
b) Fals
c) Adevarat
Explicație pas cu pas:
