A First Course in Linear Algebra · Problem FS-RQ2

Vector Spaces — Robert Beezer

Mathematics — Linear Algebra · extended-echelon-form

Problem

Find the matrices

C

and

L

in the extended echelon form of

A

A = \begin{bmatrix} -9 & 5 & -3 \\ 2 & -1 & 1 \\ -5 & 3 & -1 \end{bmatrix}