\[ S_4 = 5 \times \frac3^4 - 13 - 1 = 5 \times \frac81 - 12 = 5 \times 40 = 200 \] - AMAZONAWS
📅 March 6, 2026
👤 scraface
Mar 06, 2026
![\[ S_4 = 5 \times \frac{3^4 - 1}{3 - 1} = 5 \times \frac{81 - 1}{2} = 5 \times 40 = 200 \]](https://soloferat.biz.id/images/-s4--5-times-frac34---13---1--5-times-frac81---12--5-times-40--200-.jpg)
\[ S_4 = 5 \times \frac3^4 - 13 - 1 = 5 \times \frac81 - 12 = 5 \times 40 = 200 \] - AMAZONAWS
Mar 06, 2026
