daca a = 6x + 3y, aratati ca 9| a la puterea 2

Răspunsul a fost dat de: USER8648
31 Agustus 2025 matematica 5 minute
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Întrebare

Clasă: Education Materie: matematica
daca a = 6x + 3y, aratati ca 9| a la puterea 2
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Răspuns (46)

Cel mai bun răspuns
(118)
a = 6x + 3y => a = 3(2x + y)
=> a^2 = 3(2x + y) × 3(2x + y) = 3^2(2x + y)^2
Cum 3^2 = 9 => 9 | a^2
Răspunsul a fost dat în data 31 Agustus 2025

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Bonsoir vous pouvez m'aidez svp?

je dois faire une redaction mais je ne sais pas par quoi commencer et j'ai pas d'idee d'injustice.


Vous avez ete victime ou temoin d'une injustice. Faites le recit de cet evenement . Vous exposerez les faits ainsi que vos reactions et sentiments. Votre redaction sera d'une longueur minimale d'une soinxantaine de lignes environ .


merci d'avance

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