" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawabbarisan geo
u2= -18
u4= - 162
u4/u2 = -162/-18
r^2 = 9
r= - 3 krna u2 > u4
u2= -18
a= -18/r
a = 6
u7 = a. r^6 = 6 .(-3)^6 = 4374