Tolong bantu dong :) diketahui suatu barisan geometri suku ke 5 & ke 7 nya masing" 567 dan 5.103 , berapakah nilai suku pertama dari barisan tersebut ..
ekamiaww
Semoga membantu yaa.. ^_^
0 votes
Thanks 1
tywee
makasihh kk udah di bantuin ngejawab soalnya :)
ekamiaww
sama2 ^_^
IcukSugiarto
![a.r^{6}=5.103\\a.r^{4}.r^{2}=5.103~~~~~~~~~~~~[a.r^{6}~diuraikan\ agar\ dapat\ disubtitusi]\\567.r^{2}=5.103\\~~~~~~r^{2}= \frac{5103}{567}\\~~~~~~r^{2}=9\\~~~~~~~r= \sqrt{9}\\~~~~~~~r=3](https://tex.z-dn.net/?f=a.r%5E%7B6%7D%3D5.103%5C%5Ca.r%5E%7B4%7D.r%5E%7B2%7D%3D5.103%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%7E%5Ba.r%5E%7B6%7D%7Ediuraikan%5C+agar%5C+dapat%5C+disubtitusi%5D%5C%5C567.r%5E%7B2%7D%3D5.103%5C%5C%7E%7E%7E%7E%7E%7Er%5E%7B2%7D%3D+%5Cfrac%7B5103%7D%7B567%7D%5C%5C%7E%7E%7E%7E%7E%7Er%5E%7B2%7D%3D9%5C%5C%7E%7E%7E%7E%7E%7E%7Er%3D+%5Csqrt%7B9%7D%5C%5C%7E%7E%7E%7E%7E%7E%7Er%3D3++ "a.r^{6}=5.103\\a.r^{4}.r^{2}=5.103~~~~~~~~~~~~[a.r^{6}~diuraikan\ agar\ dapat\ disubtitusi]\\567.r^{2}=5.103\\~~~~~~r^{2}= \frac{5103}{567}\\~~~~~~r^{2}=9\\~~~~~~~r= \sqrt{9}\\~~~~~~~r=3")
1 votes
Thanks 1
tywee
makasih udah di bantu ngejawab soalnya :)
IcukSugiarto
iya, sama-sama dek :)