Exercise 2.6.8

Answers

E = E_{32} E_{31} E_{21} = [\begin{matrix} 1 \\ - a & 1 \\ ac - b & - c & 1 \end{matrix}]

is mixed but $L$ is

E_{21}^{- 1} E_{31}^{- 1} E_{32}^{- 1} = [\begin{matrix} 1 \\ a & 1 \\ b & c & 1 \end{matrix}] .

mathchakra

2021-12-20 21:01