" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
U2 = 7 = 5 + 2·1
U3 = 9 = 5 + 2·2
Un = 5 + 2(n-1)
= 5 + 2n - 2
= 2n + 5 - 2
= 2n + 3