MathAlgebraLinear algebraSystems of linear equations

Row operations as matrix multiplication

Size of matrix

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Choose the size of the row operator matrix which can be applied to the matrix $\begin{pmatrix} 1 & 2 & 3 & 4\\ 5 & 6 & 7 & 8\\ 9 & 10 & 11 & 12 \end{pmatrix}$ ?

Select one option from the list

3 \times 4

3 \times 3

4 \times 4

4 \times 3

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