diketahui barisan geometri dengan suku ke- 3=90 dan ke-5 =810 jumlah 6 suku pertama barisan itu adalah

DAFTAR ISI

Soal:

U3 = 90
U5 = 810
r² = $\text{[math]}$ = 9 ⇔ r = 3

U1 = Un $\text{[math]}$

= $\text{[math]}$

= 10

Sn = U1 x ( $\text{[math]}$ -1)
S6 = 10 x ( $\text{[math]}$ -1) $\text{[math]}$

= $\text{[math]}$

= 3.640

Semoga Membantu : https://bayviewpublishing.net

Bayviewpublishing Download apk for Android with APK download tool. NoAds, apk download and speed update files. Best of all, it's free