1.

Let M be a 3×3 invertible matrix with real entries and let I denote the 3×3 identity matrix. If M−1=adj(adj M), then which of the following statements is/are ALWAYS TRUE?

Answer»

Let M be a 3×3 invertible matrix with real entries and let I denote the 3×3 identity matrix. If M1=adj(adj M), then which of the following statements is/are ALWAYS TRUE?



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