How to find the determinant of the given elementary matrix by inspection? First row (1 0 0 0) , second row (0 1 0 0) , third row (0 0 -5 0), fourth row (0 0 0 1)
1 Answer
Sep 15, 2015
I found
Explanation:
Considering your matrix:
You can evaluate the determinant by multiplying the element of the diagonal. So: