Exercise 2.5.1

Answers

We have

A^{- 1} = [\begin{matrix} 0 & \frac{1}{4} \\ \frac{1}{3} & 0 \end{matrix}]

and

B^{- 1} = [\begin{matrix} \frac{1}{2} & 0 \\ - 1 & \frac{1}{2} \end{matrix}]

and

C^{- 1} = [\begin{matrix} 7 & - 4 \\ - 5 & 3 \end{matrix}] .

mathchakra

2021-12-19 16:54