Exercise 3.2.56

Answers

[\begin{matrix} 1 & 1 & 1 & 1 \\ 1 & 1 & 1 & 1 \\ 1 & 1 & 1 & 1 \end{matrix}] = (pivot column)(first row) = [\begin{matrix} 1 \\ 1 \\ 1 \end{matrix}] [\begin{matrix} 1 & 1 & 1 & 1 \end{matrix}] .

mathchakra

2022-01-23 14:06