Let $ u = raca + ba - b $, then the expression is $ u + rac1u = 3 $. Multiply both sides by $ u $: - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$Let $ u = rac{a + b}{a - b} $, then the expression is $ u + rac{1}{u} = 3 $. Multiply both sides by $ u $:$