Let $ x = \fracab $, then $ x + \frac1x = 5 \Rightarrow x^2 + \frac1x^2 = 23 $, so: - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$Let $ x = \frac{a}{b} $, then $ x + \frac{1}{x} = 5 \Rightarrow x^2 + \frac{1}{x^2} = 23 $, so:$