asked 233k views
2 votes
75 [Chercher]

On considère l'expression suivante définie pour tout
ne Z par U(n)=n²+14n+33.

Résoudre U(n)=0.

1 Answer

2 votes

Answer:

-11, -3

Explanation:


n^2 + 14n+33=0 \\ \\ (n+11)(n+3)=0 \\ \\ n=-11, -3

answered
User Elec
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