" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b = 4
Un = 400
Un = 200 + (n-1)4
Un = 200 + 4n - 4
Un = 196 + 4n
400 = 196 + 4n
400 - 196 = 4n
204 = 4n
51 = n
Sn = n/2 (a + Un)
S51 = 51/2 (200 + 400)
S52 = 25,5 (600) = 15.300