The sum is \(raca1 - r = rac51 - rac13 = rac5rac23 = 5 imes rac32 = 7.5\). - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$The sum is \( rac{a}{1 - r} = rac{5}{1 - rac{1}{3}} = rac{5}{ rac{2}{3}} = 5 imes rac{3}{2} = 7.5\).$