" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawabu4/u2 = 27/243
r^2 = 1/9
r = 1/3
u2 = 243
a r = 243
a= 243 /(1/3)
a = 729
u10 = a r^9 = 729 (1/3)^9 = 1/27
ar. r²=27
243.r²=27
r²=27 : 243
=1/9
r =⅓
ar=243
a.⅓=243
a=243 . 3
=729
U10=ar^9
=729 . ⅓^9
=3^6 . 3^-9
=3^-3
=1/3³
=1/27