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U6 = ar^5
U2 = ar
Mencari rasio
U6 = ar^5
U2 = ar
192 = ar^5 :
12 = ar
16 = r^4
r = akar 4 dari 16
r = 2
Mencari suku pertama (a)
U2 = ar
12 = a.2
a = 12/2
a = 6
Mencari suku ke 5
= ar^4
= 6.2^4
= 6.16
= 96
Keterangan : ^ = pangkat