Mathematics, 06.03.2020 23:26 ssargeant2559
An elementary ntimesn row replacement matrix is the same as the ntimesn identity matrix with at least one of the 1's replaced with some number k. This means it is a triangular matrix, and so its determinant is the product of its diagonal entries. Thus, the determinant of an elementary row replacement matrix is
options are ;
1.exactly one, all , at least one
2. 1's or 0's
3.Identity matrix, invertible matrix , triangular matrix or a zero matrix
4. product or sum
5. a number
Answers: 2
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An elementary ntimesn row replacement matrix is the same as the ntimesn identity matrix with at leas...
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