Question

5n+1|36 aflati valorile lui n

Answer 1

5n+1|36
5n+1 este D₃₆={1,2,3,4,6,9,12,36}
5n+1=1⇒n=0
5n+1=2⇒n=1/5 
5n+1=3⇒n=2/5
5n+1=4⇒n=3/5
5n+1=6⇒n=1
5n+1=9⇒n=8/5
5n+1=12⇒n=11/5
5n+1=36⇒n=7
solutiile sunt n=0  n=1   n=7