Jawaban:
A
Penjelasan dengan langkah-langkah:
Deret Geometri
Diketahui :
U3 = a.r^2 = 18
U5 = a.r^4 = 162
Ditanyakan :
U9 =
Jawab :
Eliminasi
a.r^4 = 162
a.r^2 = 18
r^2 = 9
r = 3
Substitusi
a.3^2 = 18
a = 18 / 9
a = 2
U9 = a.r^8
U9 = 2.3^8
U9 = 2.6561
U9 = 13122
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Jawaban:
A
Penjelasan dengan langkah-langkah:
Deret Geometri
Diketahui :
U3 = a.r^2 = 18
U5 = a.r^4 = 162
Ditanyakan :
U9 =
Jawab :
Eliminasi
a.r^4 = 162
a.r^2 = 18
r^2 = 9
r = 3
Substitusi
a.r^2 = 18
a.3^2 = 18
a = 18 / 9
a = 2
U9 = a.r^8
U9 = 2.3^8
U9 = 2.6561
U9 = 13122
#backtoschool2019