A First Course in Linear Algebra · Problem C32

Systems of Linear Equations — Robert Beezer

Mathematics — Linear Algebra · row-reduce-matrix-by-hand

Problem

Row-reduce the matrix without the aid of a calculator, indicating the row operations you are using at each step using the notation of Definition RO.

\begin{bmatrix} 1 & 1 & 1 \\ -4 & -3 & -2 \\ 3 & 2 & 1 \end{bmatrix}