determinati numarul natural n , astfel incat fractia 12\n+1 sa fienr natural
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Răspuns:
n={0,1,2,3,5,11}
Explicație pas cu pas:
12/n+ 1 trebuie sa fie numar natural
D12 ={1,2,3,4,6,12 }
n+1=1 => n=0
n+1=2 => n=1
n+1=3 => n=2
n+1=4 =>n=3
n+1=6 =>n=5
n+1=12 =>n=11
n={0,1,2,3,5,11}
Verificare :
12/1=12
12/2=6
12/3=4
12/4=3
12/6=2
12/12=1