" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3^(x+1) - 3^(x-1) = 8/9
Factorizamos:
3^(x-1) (3^2 - 1) = 8/9
3^(x-1) (9 - 1) = 8/9
3^(x-1)(8) = 8/9
Simplificando el 8 y subiendo el 9 al numerador:
3^(x-1) = 3^(-2)
Igualamos:
x - 1 = -2
x = -1. Es la respuesta.