" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
#ADik. U1 = 18 & U3 = 2
Dit. U5?
Jawab...
rasio (r) :
U1 = a = 18
U3 = a × r^2 = 2
----------------- :
@ r^2 = 1/9
@ r = 1/3
U5 = a × r^4
U5 = 18 × (1/3)^4
U5 = 18 × 1/81
U5 = 0,222
#B
Dik. U4 = 40 & U6 = 160
Dit. U8 ?
Jawab...
rasio (r) :
U6 = a × r^5 = 160
U4 = a × r^3 = 40
------------------------ :
@ r^2 = 4
@ r = 2
a (U1) :
a × r^3 = 40
a × (2)^3 = 40
a × 8 = 40
a = 40/8
a = 5
U8 = a × r^7
U8 = 5 × (2)^7
U8 = 5 × 128
U8 = 640
Semoga mebantu.. ^_^