Kizspy | Question: 25
(Choose 1 answer)
(See picture)
A. (i)and(ii)
B. (ii), (iii) and (iv)
C. (iii) and (iv)
D. (ii) and (iii)
FUOVERFLOW
Which matrices are reduced-row echelon?
(i) [\begin{matrix}1&0&0&3\\ 0&0&1&5\\ 0&1&0&1\end{matrix}]
(ii) [\begin{matrix}1&2&0&3&0\\ 0&0&1&1&0\\ 0&0&0&0&1\end{matrix}]
[\begin{matrix}1&0&3&4\\ 0&1&0&1\end{matrix}]
(iv) [\begin{matrix}1&2&0&0\\ 0&1&0&1\\ 0&0&0&0\end{matrix}]
E. None of the other choices is correct
