# Algebra

posted by
**Josh** on
.

I have to compute the determinant of the matrix without using a calculator. If the determinant is zero, write singular matrix.

1 -1 -1

-4 2 0

0 3 1

posted by
**Josh** on
.

I have to compute the determinant of the matrix without using a calculator. If the determinant is zero, write singular matrix.

1 -1 -1

-4 2 0

0 3 1