Question

Scrieti prin enumerare elementele multimiA={6<=2n+4<20} Va rog urgent

Answer 1

A={6<=2+4<20}
6 <= 2n+4 < 20 |-4
2 <= 2n < 16 |:2
1 <= n < 8
=> A=[1;8) "intervalul 1 inchis 8 deschis

=> A= {1,2,3,4,5,6,7}