Math, asked by hrushij297, 4 months ago

determinant of a diagonal matrix is​

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Answered by asinsarabiga
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The determinant of a lower triangular matrix (or an upper triangular matrix) is the product of the diagonal entries. In particular, the determinant of a diagonal matrix is the product of the diagonal entries. ... That is, the determinant of A is not zero if and only if A is invertible

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