Determinant of cofactor matrix is square of its matirx
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Minors and Cofactors: Expanding Along a Row. Finding the determinant of a 2×2 matrix is easy: You just do the criss-cross multiplication, and subtract: ... A "minor" is the determinant of the square matrix formed by deleting one row and one column from some larger square matrix.
Minors and Cofactors: Expanding Along a Row. Finding the determinant of a 2×2 matrix is easy: You just do the criss-cross multiplication, and subtract: ... A "minor" is the determinant of the square matrix formed by deleting one row and one column from some larger square matrix.
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