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Verified answer
Mapel : MatematikaMateri : Barisan dan Deret
Kelas : 9
⏩Rasio barisan
r^(4 - 2) = 54/6
r² = 9
r = √9
r = 3
⏩Suku Pertama
U2 = 6
ar = 6
a(3) = 6
a = 6/3
a = 2
⏩Suku ke - 7 barisan
U7 = ar^(7 - 1)
U7 = 2 x (3)^6
U7 = 2 x 729
U7 = 1458 ✔