Barisan Geometri u3=5 dan u6=135. suku kedelapan barisan tersebut?
ika1083
![\frac{ {ar}^{5} }{{ar}^{2} } = \frac{135}{5} \\ {r}^{3} = 27 \\ r = \sqrt[3]{27} = 3](https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7Bar%7D%5E%7B5%7D%20%7D%7B%7Bar%7D%5E%7B2%7D%20%7D%20%20%3D%20%20%5Cfrac%7B135%7D%7B5%7D%20%20%5C%5C%20%20%7Br%7D%5E%7B3%7D%20%20%3D%2027%20%5C%5C%20r%20%3D%20%20%5Csqrt%5B3%5D%7B27%7D%20%20%3D%203 "\frac{ {ar}^{5} }{{ar}^{2} } = \frac{135}{5} \\ {r}^{3} = 27 \\ r = \sqrt[3]{27} = 3")
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