" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
u5 = ar^4 = 324 --> 4r^4 = 324 --> 2^4 = 324/4 --> r^4 = 81 --> r = 3
jumlah delapan suku pertama S8 = a(r^8 - 1)/(r-1) = 4(3^8-1)/(3-1) = 4(6561-1)/2 = 4(6560)/2=26240/2=13120