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For the matrix equation \(\begin{pmatrix} 1 & 2 \\ 3 & -1 \end{pmatrix}\) \(\begin{pmatrix} x \\ y \end{pmatrix}\) = \(\begin{pmatrix} 7 \\ 3 \end{pmatrix}\) the augmented matrix is _______(a) \( \begin{pmatrix} 1 & 2 & 7 \\ 3 & -1 & 3 \\ \end{pmatrix} \)(b) \(\begin{pmatrix} 1 & 7 \\ 3 & 3 \end{pmatrix}\)(c) \(\begin{pmatrix} 7 & 1 \\ 3 & 3 \end{pmatrix}\)(d) \( \begin{pmatrix} 1 & 7 & 2 \\ 3 & 3 & -1 \\ \end{pmatrix} \) |
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Answer» (a) \(\begin{pmatrix}1 & 2 & 7 \\3 & -1 & 3 \\\end{pmatrix}\) |
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