If A- 1 2 1- -1 0 2- 0 1 -1 - find the rank of A-

|A|= 1 amp; 2 amp; 1 1 amp; 0 amp; 2 0 amp; 1 amp; 1 Expand along first column, #160; = 1(0 2)+1( 2 1)= 2 3= 5≠ 0 Sin ...

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Rank of a Matrix

If A=[ 1 2 ...

Question

If $A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 1 - 1 & 0 & 2 0 & 1 & - 1 \end{matrix} ⎤ ⎥ ⎦$ , find the rank of $A$ .

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Solution

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Similar questions

⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & 2 0 & 1 & - 1 1 & 2 & 1 \end{matrix} ⎤ ⎥ ⎦

⎡ ⎢ ⎣ \begin{matrix} 413 \end{matrix} ⎤ ⎥ ⎦

⎡ ⎢ ⎣ \begin{matrix} - 1 & 8 & 4 - 1 & 2 & 1 - 3 & 6 & 3 \end{matrix} ⎤ ⎥ ⎦

⎡ ⎢ ⎣ \begin{matrix} 413 \end{matrix} ⎤ ⎥ ⎦ A = ⎡ ⎢ ⎣ \begin{matrix} - 4 & 8 & 4 - 1 & 2 & 1 - 3 & 6 & 3 \end{matrix} ⎤ ⎥ ⎦

A

A = [a, b, c]

a + b + c

1111^{2}

1^{2} = 1

11^{2} = 121

111^{2} = 12321

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