VA ROG MULTTTTT
DAU COROANA
E URGENT
1 si 2
![VA ROG MULTTTTTDAU COROANA E URGENT1 Si 2 class=](https://ro-static.z-dn.net/files/dba/45cb126e301d7a1eaf63d76fcbb654d9.jpg)
Răspuns:
A 7(2x+5)>77
2x+5>11
2x>11-5
2x>6
x>3
A=[4....infinit)
B. 3x+12/x +6
3x+12=x+6
2x=-6
x=-3
B=[3.......infinit)
A reunit B =[3,4......infinit)
A intersectat B=[ 4,5....infinit)
A\B={ }
B\A={3}