Question

a) Determinati elementele multimii A={ x∈N*|15(x+1)}
b) Se dau multimile A={x∈N*| x≤12} si B={y∈N| 1≤3la puterea y <81}
Determinati elementele comune celor doua multimi.

Answer 1

b) A={0,1,2,3,4,5,6,7,8,9,10,11,12}
    B={0,1,2,3,}
A∩B={0,1,2,3}