" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Sn = n/2 (a1 + an)
Hay que conocer an; an = a1 + r (n - 1); reemplazamos en Sn
S10 = 10/2 [a1 + a1 + r (10 - 1)]
S10 = 5 (2 a1 + 9 r)
Saludos Herminio