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13 votes
13 votes
61 Développer et réduire l'expression suivante.

B(x)=(x-1)² + x² + (x + 1)²
b. Déterminer trois entiers naturels consécutifs dont
la somme des carrés est 4 802.
Pour les
à l'aide
68 a.
c. 422-
69

User Grant Hutchins
by
3.1k points

1 Answer

13 votes
13 votes

Answer:

Explanation:

iven, the equation is (x - 1)² + 2(x + 1) = 0. We have to determine if the equation has a real root. By using algebraic identity, (a - b)² = a² - 2ab + b² (x - 1)² = x² - 2x + 1.

User Preet Sangha
by
3.2k points
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