Réponse :
1)
[tex]U_{0} = \frac{-2*0+6}{0+1} = 6\\U_{1} = \frac{-2*1+6}{1+1} = 2\\U_{2} = \frac{2}{3}[/tex]
2)
[tex]U_{0} = 3^{0} = 1\\U_{1} = 3\\U_{2} = 9[/tex]
