`BookProof.ChapterLegendrePolynomial.rodrigues_step` (l : ℕ) : (X ^ 2 - 1) * derivative ((X ^ 2 - 1) ^ l) = C (2 * (l : ℝ)) * X * (X ^ 2

Initializing...

`BookProof.ChapterLegendrePolynomial.rodrigues_step` (l : ℕ) : (X ^ 2 - 1) * derivative ((X ^ 2 - 1) ^ l) = C (2 * (l : ℝ)) * X * (X ^ 2 - 1) ^ l · Prove2Me