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Verified answer
Barisan dan DeretDiketahui:
suatu barisan 8, 14, 20, 26, 32,...
Ditanya:
Un = ?
Jawab:
b = U2 - U1
b = 14 - 8
b = 6
Un = U1 + (n - 1) b
Un = 8 + (n - 1) 6
Un = 8 + 6n - 6
Un = 6n + 2
Jawabannya yang D.
*semoga membantu. sukses selalu ^_^