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Determinant

The scalar det(A) measuring the signed volume scaling of the linear map A, equal to the product of eigenvalues; det(A) = 0 exactly when A is singular (non-invertible).

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Determinant of 3x3 Matrices, 2x2 Matrix, Precalculus Video Tutorial

The determinant is a scalar value uniquely associated with square matrices that fundamentally represents the scaling factor of linear transformations and determines whether a system of linear equatio…