Jawaban:
rasio barisan = 2
Penjelasan dengan langkah-langkah:
U1 = a = 3
U9 = 768
__________
Un = ar^n-1
U9 = ar⁹–¹
768 = 3.r⁸
r⁸ = 768/3
r⁸ = 256
r = 2
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Jawaban:
rasio barisan = 2
Penjelasan dengan langkah-langkah:
U1 = a = 3
U9 = 768
__________
Un = ar^n-1
U9 = ar⁹–¹
768 = 3.r⁸
r⁸ = 768/3
r⁸ = 256
r = 2