The inverse of - 1 2 -3- 0 1 2- 0 0 1 - is-

The correct option is A [ 1 2 7; 0 1 2; 0 0 1 ] ...

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Inverse of a Matrix

The inverse o...

Question

The inverse of $⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & - 3 0 & 1 & 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦$ is:

⎡ ⎢ ⎣ \begin{matrix} 1 & - 2 & 7 0 & 1 & - 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦

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⎡ ⎢ ⎣ \begin{matrix} 1 & - 2 & 3 0 & 1 & - 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦

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

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⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & 0 - 2 & 1 & 0 3 & - 2 & 1 \end{matrix} ⎤ ⎥ ⎦

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⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & - 3 0 & 1 & 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦

⎡ ⎢ ⎣ \begin{matrix} 1 & - 2 & - 3 0 & 1 & 2 0 & 0 & 1 \end{matrix} ⎤ ⎥ ⎦

{(\frac{21}{20})}^{100}

100

S_{N} 1

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

\frac{- 1}{6} ⎡ ⎢ ⎣ \begin{matrix} - 2 & - 2 & 0 - 3 & 0 & α - 1 & 2 & - 3 \end{matrix} ⎤ ⎥ ⎦

α =

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