हल करना det [[0, 1, - 2], [- 1, 0, 1], [- 1, - 1, 3]] | 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

$$|\begin{matrix}0&1&-2\\ -1&0&1\\ -1&-1&3\end{matrix}|$$