Solve the matrix :
|1 2 1| 0 |
|0 1 0|-2|
|0 0 1| 3 |

Solve the matrix :
|1 2 1| 0 |
|0 1 0|-2|
|0 0 1| 3 |

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open study is for help not answers :)

i know that, I am looking for help in solving this matrix

i think the person has just stated the question. maybe he needs help solving it

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