Rumus jumlah pertama suku ke-n/Sn deret geometri jika r>1=
[tex]\frac{a( {r}^{n} - 1)}{(r - 1)} [/tex]
a=3
r=9/3=3 (r>1)
[tex] s5 = \frac{3( {3}^{5} - 1 )}{(3 - 1)} \\ = \frac{3(243 - 1)}{2} \\ = \frac{3(242)}{2} \\ s5 = 3 \times 121 = 363[/tex]
✔️ mohon jadikan jawaban terbaik bila berkenan
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Sn Deret Geometri
Rumus jumlah pertama suku ke-n/Sn deret geometri jika r>1=
[tex]\frac{a( {r}^{n} - 1)}{(r - 1)} [/tex]
a=3
r=9/3=3 (r>1)
[tex] s5 = \frac{3( {3}^{5} - 1 )}{(3 - 1)} \\ = \frac{3(243 - 1)}{2} \\ = \frac{3(242)}{2} \\ s5 = 3 \times 121 = 363[/tex]
✔️ mohon jadikan jawaban terbaik bila berkenan