Question

Scrieti elementele multimi
C={x|x∈ N,x=3k-1,k∈ N*,k<5}
D={x|x ∈ N,x=4k+3,k ∈ N,k<3}
F={x|x ∈ N*,x⁴≤64

Answer 1

k=0,1,2,3,4
x=-1∉N
x=2,k=1
x=5  ,k=2
x=8    ,k=3
x=    11  ,k=4
C={2,5,8,11}
k=0,x=3
k=1,x=7
k=2,x=11
D={3,7,11}
xla4≤2la6
(x²)²≤(2³)2
x²≤2³