Sum $ S_5 = 3 \frac3^5 - 13 - 1 = \frac3(243 - 1)2 = \frac3 \times 2422 = 363 $ - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$Sum $ S_5 = 3 \frac{3^5 - 1}{3 - 1} = \frac{3(243 - 1)}{2} = \frac{3 \times 242}{2} = 363 $$