MathAlgebraLinear algebraSystems of linear equations

Row transformations

Transformation of matrix

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What elementary transformation can be used to transform the matrix $\left( \begin{array}{ccc} 4 & 6 & 1\\ 8 & 1 & 2\\3 & 4 & 1\\ \end{array} \right)$ to the matrix $\left( \begin{array}{ccc} 1 & 2 & 0\\ 8 & 1 & 2\\3 & 4 & 1\\ \end{array} \right)$ ?

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Interchange of rows

Multiplication of elements of a row

More than one operation is used

Subtraction of one row from another

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