Resolver A = [[1, - 4], [- 1, 1]] | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$A=(\begin{matrix}1&-4\\ -1&1\end{matrix})$$