Diketahui:
U1 = 5
U4 = a . r^3 = 40
Ditanyakan:
U6 = ... ?
Penyelesaian:
cari rasio
a . r^3 = 40
5 . r^3 = 40
r^3 = 8
r = 2
U6 = a . r^5
U6 = 5 . 2^5
U6 = 5 . 32
U6 = 160
==================
Kelas: 9
Mapel: Matematika
Bab: Barisan dan Deret Bilangan
Kode: 9.2.2
Kata Kunci: Barisan geometri
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Verified answer
DERET GEOMETRIa = 5
U4 = 40
U6 = ...?
Diketahui:
U1 = 5
U4 = a . r^3 = 40
Ditanyakan:
U6 = ... ?
Penyelesaian:
cari rasio
a . r^3 = 40
5 . r^3 = 40
r^3 = 8
r = 2
U6 = a . r^5
U6 = 5 . 2^5
U6 = 5 . 32
U6 = 160
==================
Detil Jawaban
Kelas: 9
Mapel: Matematika
Bab: Barisan dan Deret Bilangan
Kode: 9.2.2
Kata Kunci: Barisan geometri