Question

d Dacă {1, 4, 7, 10, 13, 16} = {x € N|x = 3y + 1, y ≤n, n = N}, atunci n este egal cu....​

Answer 1

Răspuns:

sper ca intelegi

Explicație pas cu pas:

x€{1,4,7,10,13,16}

3y+1€{1,4,7,10,13,16}

3y€{3,6,9,12,15}

y€{0,3,6,9,12}

n€{0,1,2,3,4,5,..........}