Question

the difference reduced row echelon form and row echelon form of matrices

Answer 1

Row reduction echelon form?

Answer 2

What's the question?

Answer 3

\[\left[\begin{matrix}1 & 2&3 \\ 0& 1&4\\0&0&1\end{matrix}\right]\]
\[\left[\begin{matrix}0 & 2 &3\\ 0 & 1&0\\0&0&0\end{matrix}\right]\]

Answer 4

so wich one is reduced row ehelon form and wich one is not

Answer 5

Not the second one. It must have 1's that go across it.

Answer 6

But the first also doesn't look like it's rref.