Question

Aflati multimile A = { x apartine lui N*|2x+4 mai mic si egal 12} si B ={y apartine N|2^3 <3^y <2^7}.
Fie multi mile A = {x|x = 5n + 7, n ∈ N} si B = {y|y = n^{2} , n ∈ N}. Determinati elementele multimilor C= { x ∈ A| x < 30} si D ={ y ∈ B| 30 < y < 100 }

Answer 1

A={1,2,3,4}
la b nu stiu
A={0,1,2,3,4,5,6,7,8,9.......}
C={0,1,2,3,4,5,6,7,8,9......29}