Bonjour,
Exercice n° 51
[tex]d _{1}2 \times ( - 3) + 5 + 1 = - 6 + 6 = 0[/tex]
[tex]d _{2}5 \times ( - 3) + 3\times 5 = - 15 + 15 = 0[/tex]
[tex]d _{3} = - 6 \times ( - 3) - 4 \times 5 + 2 = 18 - 20 + 2 = 0[/tex]
[tex]d _{4} \frac{1}{3} \times ( - 3) - 5 + 6 = - 1 - 5 + 6 = 0[/tex]