SOLUTION: Use elementary row operations to write the matrix below in row echelon form.
[1,-2,-9,6]
[1,-2,-5,2]
[1,2,15,-14]
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Question 471729: Use elementary row operations to write the matrix below in row echelon form.
[1,-2,-9,6]
[1,-2,-5,2]
[1,2,15,-14]
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
~, after -R1 + R2 and -R1 + R3;
~, after R2<->R3
~, after R2/4 and R3/4
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