Barisan geometri
[tex] \frac{u5}{u3} = \frac{6}{54} \\ \\ {r}^{2} = \frac{1}{9} \\ \\ r = \frac{1}{3} \\ \\ a = \frac{u3}{ {r}^{2} } = \frac{54}{ \frac{1}{9} } = 486 \\ \\ 5 \: suku \: pertama \\ 486, \: 162, \: 54, \: 18, \: 6[/tex]
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Barisan geometri
[tex] \frac{u5}{u3} = \frac{6}{54} \\ \\ {r}^{2} = \frac{1}{9} \\ \\ r = \frac{1}{3} \\ \\ a = \frac{u3}{ {r}^{2} } = \frac{54}{ \frac{1}{9} } = 486 \\ \\ 5 \: suku \: pertama \\ 486, \: 162, \: 54, \: 18, \: 6[/tex]