1. S6 = 605.
U1 = 5
U2 = 15
U3 = 45
S6 = ...?
a = 5
r = U2 ÷ U1
r = 15 ÷ 5
r = 3
S6 = 5.(3⁵- 1) / 3-1
S6 = 5.(243 - 1) / 2
S6 = 5.(242) / 2
S6 = 1,210 / 2
S6 = 605.
Semoga membantu, maaf kalau salah:)
Sorry, no. 2 ga terlalu paham:(
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Jawaban:
1. S6 = 605.
Penjelasan dengan langkah-langkah:
1. Diketahui:
U1 = 5
U2 = 15
U3 = 45
Ditanya:
S6 = ...?
a = 5
r = U2 ÷ U1
r = 15 ÷ 5
r = 3
S6 = 5.(3⁵- 1) / 3-1
S6 = 5.(243 - 1) / 2
S6 = 5.(242) / 2
S6 = 1,210 / 2
S6 = 605.
Semoga membantu, maaf kalau salah:)
Sorry, no. 2 ga terlalu paham:(