det (AI - A) = T n + k=0 where oo (A1,..., An) = 1, and, for 1 ≤ k ≤n, Ok (A1,..., An) = ✦✦ (-1)* ok (₁, ..., An) X™—*, n-k D | A | [T | Σ Aj₁Ajk. <…..

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