suku ke 3 suatu barisan geometri adalah 64 . suku ke 5 nya adalah 256 tentukan suku ke 8!
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Jawaban:
U3 = ar² = 64
U5 = ar⁴ = 256
r² = 4
r = 2
ar² = 64
a(2)² = 64
a = 16
U8 = ar⁷ = 16 . (2)⁷ = 16 . 1/128 = 1/8
Jawaban:
1/8 yakaks semoga membantu