Jawab:
Besar suku ke-5 barisan tersebut adalah 24
Penjelasan dengan langkah-langkah:
Deret Geometri
Uₙ = a. rⁿ⁻¹
U₇ = a.r⁷⁻¹ = a.r⁶ = 96
U₃ = a.r³⁻¹ = a.r² = 6
U₇ ÷ U₃ = 96 ÷ 6
a.r⁶ ÷ a.r² = 16
r⁴ = 16
r = 2
U₅ = U₃ . r ⁵⁻³
U₅ = 6. 2²
U₅ = 6. 4
U₅ = 24
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Jawab:
Besar suku ke-5 barisan tersebut adalah 24
Penjelasan dengan langkah-langkah:
Deret Geometri
Uₙ = a. rⁿ⁻¹
U₇ = a.r⁷⁻¹ = a.r⁶ = 96
U₃ = a.r³⁻¹ = a.r² = 6
U₇ ÷ U₃ = 96 ÷ 6
a.r⁶ ÷ a.r² = 16
r⁴ = 16
r = 2
U₅ = U₃ . r ⁵⁻³
U₅ = 6. 2²
U₅ = 6. 4
U₅ = 24