French, asked by Shinyy, 11 months ago

9y²+6y+1 ? factorisation

Answers

Answered by tushar0007
2

9y² + 6y + 1

= (3y)² + 2(3y)(1) + (1)²

= (3y + 1)²

= (3y + 1)(3y + 1).

Answered by LeParfait
3

Ici, la factorisation est possible en utilisant l'identité algébrique.

∴ 9y² + 6y + 1

= (3y)² + 2 * 3y * 1 + 1²

= (3y + 1)², depuis (a + b)² = a² + 2ab + b²

= (3y + 1) (3y + 1)

C'est la factorisation requise.

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