A First Course in Linear Algebra · Problem DM-RQ3

Eigenvalues — Robert Beezer

Mathematics — Linear Algebra · computing-determinants-triangular

Problem

Compute the determinant of the matrix

\begin{bmatrix} 3 & 9 & -2 & 4 & 2 \\ 0 & 1 & 4 & -2 & 7 \\ 0 & 0 & -2 & 5 & 2 \\ 0 & 0 & 0 & -1 & 6 \\ 0 & 0 & 0 & 0 & 4 \end{bmatrix}