Exercise 3.3.30

Answers

[\begin{matrix} 1 & 0 & 2 & 3 & 2 \\ 1 & 3 & 2 & 0 & 5 \\ 2 & 0 & 4 & 9 & 10 \end{matrix}] \to [\begin{matrix} 1 & 0 & 2 & 3 & 2 \\ 0 & 3 & 0 & - 3 & 3 \\ 0 & 0 & 0 & 3 & 6 \end{matrix}] \to [\begin{matrix} 1 & 0 & 2 & 0 & - 4 \\ 0 & 1 & 0 & 0 & 3 \\ 0 & 0 & 0 & 1 & 2 \end{matrix}]; [\begin{matrix} - 4 \\ 3 \\ 0 \\ 2 \end{matrix}]; x_{n} = x_{3} [\begin{matrix} - 2 \\ 1 \\ 0 \end{matrix}] .

mathchakra

2022-01-23 15:11