Question

Buna am nevoie de ex din poza ...pls repedee cu tot cu rezolvare

Answer 1

n ∈N ; n≥2

n = 2 => x = 2  ; n = 3 => x = 5  ; n=4 => x = 8 ; n = 5 => x = 11 ; n = 6 => x = 14

n = 7 => x = 17 ; n = 8 => x = 20 ; n = 9 => x = 23

Card M = 8