Diketahui barisan geometri dwngan suku ke 4 adalah 12 dan suku ke 7 adalah 324 berapa rasio dari barisannya? jawab beserta cara.
MicoArrafi
![$\begin{align} \frac{a\times r^6}{a\times r^3}&=\frac{324}{12}\\r^3&=27\\r&=\sqrt[3]{27}\\r&=3 \end{align}](https://tex.z-dn.net/?f=%24%5Cbegin%7Balign%7D+%5Cfrac%7Ba%5Ctimes+r%5E6%7D%7Ba%5Ctimes+r%5E3%7D%26%3D%5Cfrac%7B324%7D%7B12%7D%5C%5Cr%5E3%26%3D27%5C%5Cr%26%3D%5Csqrt%5B3%5D%7B27%7D%5C%5Cr%26%3D3+%5Cend%7Balign%7D "$\begin{align} \frac{a\times r^6}{a\times r^3}&=\frac{324}{12}\\r^3&=27\\r&=\sqrt[3]{27}\\r&=3 \end{align}")
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