1.
The matrix \(\mathbf { M }\) is such that \(\mathbf { M } \left( \begin{array} { r r r } 1 & 0 & k
2 & - 1 & 1 \end{array} \right) = \left( \begin{array} { l l l } 1 & - 2 & 0 \end{array} \right)\).
Find
- the matrix \(\mathbf { M }\),
- the value of the constant \(k\).
[0pt]
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