find the rank of the matrix A and B by following row operation: A= [(1,2,3,(−1)),((−2),(−1),(−3),(−1)),(1,0,1,( 1)),(0,1,1,(−1)) ] B= [(( 1),( 2),(−1),( 4)),(( 2),( 4),( 3),( 5)),((−1),(−2),( 6),(−7)) ]


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Question Number 183425 by ali009 last updated on 25/Dec/22

$f i n d t h e r a n k o f t h e m a t r i x A a n d B b y$ $f o l l o w i n g r o w o p e r a t i o n :$ $A = [\begin{matrix} 1 & 2 & 3 & - 1 \\ - 2 & - 1 & - 3 & - 1 \\ 1 & 0 & 1 & 1 \\ 0 & 1 & 1 & - 1 \end{matrix}]$ $B = [\begin{matrix} 1 & 2 & - 1 & 4 \\ 2 & 4 & 3 & 5 \\ - 1 & - 2 & 6 & - 7 \end{matrix}]$
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