How to evaluate the determinant of the given matrix by reducing the matrix to row echelon form ? first row ( 0 3 1 ) second row ( 1 1 2 ) and third row ( 3 2 4 )
1 Answer
Mar 13, 2018
5
Explanation:
We apply row reduction on the the matrix
We first interchange
Then we carry out
Next do
The determinant of this triangular matrix is easily seen to be
The original determinant was