Question

(3n+2)/(9n+17) care este n?​

Answer 1

Explicație pas cu pas:

3n+2|9n+17

3n+2|3n+2=>3n+2|9n+6

=>3n+2|9n+17-9n-6=>3n+2|11 => 3n+2€D11 in Z =>

3n+2€{-11,-1,1,11} =>

3n€{-13,-3,-1,9}=>

n€{-13/3,-1,-1/3,3}