Question

Let M be a 3x3 matrix. (4pts) For which matrix E will the transformation EM  ( from...

Let M be a 3x3 matrix.

(4pts) For which matrix E will the transformation EM  ( from M to EM) perform an exchange of the first and the third row?

(4pts)  What about scaling the second row by a factor of r ?

(4pts)  What about adding a times the first row to the third row?

(3pts) Can you describe the general forms of these matrices (that represent elementary row operations)?

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