d. tn + 1 = 1 ? 5(n + 1) + 2(n + 1)2 = ?2 ? n + 2n2. 66 Read the ..... ?n ? ?, wn = f
(n) with f(x) = 2.5x ? 2, is a linear function ...... 10?8 = 10?2 = 0,01. Alors : q = ?0,
01 = 0,1 ou q = ? ?0,01 = ?0,1. ..... d0 = ?2. b. Par lecture graphique : d1 = ?1,5. 
