`BookProof.ChapterCoherentOccupation.coherentOccupation_variance` (lam : ℝ) : (∑' n : ℕ, (n : ℝ) ^ 2 * coherentOccupation lam n) - (∑' n : ℕ, (n : ℝ) * coherentOccupation lam n) ^

Initializing...

`BookProof.ChapterCoherentOccupation.coherentOccupation_variance` (lam : ℝ) : (∑' n : ℕ, (n : ℝ) ^ 2 * coherentOccupation lam n) - (∑' n : ℕ, (n : ℝ) * coherentOccupation lam n) ^ · Prove2Me