S_5 = 3(1 + r + r^2 + r^3 + r^4) = 3 \cdot racr^5 - 1r - 1 \quad ext(for r - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$S_5 = 3(1 + r + r^2 + r^3 + r^4) = 3 \cdot rac{r^5 - 1}{r - 1} \quad ext{(for } r$