Soit la suite un=2n+1u_n = 2n+1un=2n+1 pour n=0,1,2,…n=0,1,2,\dotsn=0,1,2,… Calculer u0u_0u0 et u1u_1u1.
u0=2u_0 = 2u0=2 et u1=4u_1 = 4u1=4
u0=1u_0 = 1u0=1 et u1=3u_1 = 3u1=3
u0=1u_0 = 1u0=1 et u1=2u_1 = 2u1=2