Diketahui:
Ditanya:
Penyelesaian:
Penjelasan dengan langkah-langkah:
U9 = 96
U6 = 12
r = ....
a = ....
U9 = ar^8 = 96
U6 = ar^5 = 12
r^(8-5) = 8
r³ = 2³
U6 = ar^5
a = U6
r^5
a = 12
2^5
32
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Diketahui:
Ditanya:
Penyelesaian:
Penjelasan dengan langkah-langkah:
U9 = 96
U6 = 12
r = ....
a = ....
U9 = ar^8 = 96
U6 = ar^5 = 12
r^(8-5) = 8
r³ = 2³
r = 2
U6 = ar^5
a = U6
r^5
a = 12
2^5
a = 12
32
a = ⅜