Experience the power of community-driven knowledge on IDNLearn.com. Ask your questions and receive comprehensive and trustworthy answers from our experienced community of professionals.

Evaluate the determinant of the given matrix by reducing the matrix to row-echelon form.
=[1 -2 -3 -5]
[ 4 -7 -6 4]
[-1 2 6 -3]
[2 4 -6 2]
det()=______.)