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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
S∞ = 96
Suku ganjil + suku genap = 96
32 + suku genap = 96
Suku genap = 96 - 32
Suku genap = 64
r = suku genap/suku ganjil
r = 64/32
r = 2
a = S∞ . (1 - r)
a = 96 . (1 - 2)
a = -96
U6 = a . r⁵
U6 = (-96) . 2⁵
U6 = -96 . 32
U6 = -3.072