x^2 + \frac1x^2 = 23 \Rightarrow x^4 + \frac1x^4 = (x^2 + \frac1x^2)^2 - 2 = 23^2 - 2 = 529 - 2 = 527 - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$x^2 + \frac{1}{x^2} = 23 \Rightarrow x^4 + \frac{1}{x^4} = (x^2 + \frac{1}{x^2})^2 - 2 = 23^2 - 2 = 529 - 2 = 527$