" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
20-10=10
NO es aritmética.
Es geométrica......5,10,20,40
a).
An = A1 R^n-1
A2= 5 R^ 2-1
10= 5R
R=2
A15= 5 (2)15-1
A15= 5(2)14
A15= 81920
b)
400,200,100,50...
An = A1 R^n-1
200= 400 R
1/2=R
A15= 400 (1/2)14
A15= 400 (1/16384)
A15=25/1024
Saludos.