I'm trying to find rank of a matrix by converting it into row echelon form. I have a doubt that can we multiply a rational number to any row and add this to other row? Is there anything wrong in this? For instance if we have 6 in first row first column and want to make it 1 then can we multiply that row by 1/6 and make it 1? I know that we can not do multiplication with zero in this process. You may find it as a silly doubt but Please help me.
2026-03-01 10:18:49.1772360329
Multiplication by a rational number while doing row transformation
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