Question

3. Calculaţi x € N, stiind că (x+ 1)divide(x + 8).​

Answer 1

Răspuns:

(x+1)|(x+8)

(x+1)|(x+1) (scadem)

(x+1)|7 => x+1€{1,7} (scadem 1)

x€{0,6}