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༒ Bʀᴀɪɴʟʏ Sᴛᴀʀs

༒Mᴏᴅᴇʀᴀᴛᴇʀs

༒Other best user
$\sf \: For \: A \: Matrix \: \: A \: \longrightarrow\rm\sf \: \: - \begin{gathered}\sf \left | \begin{array}{ccc}0&0& 1\\2&1&1\\1&1&1\end{array}\right | \end{gathered} \: {A}^{ - 1} \: is \: given \: by \:$


$\sf 1) A^2+2A+3I \qquad \qquad \qquad 2) A-3I \\ \\\sf 3) A^2-2A \qquad \qquad \qquad4) A^2-2A-I$

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Answer 1

Answer:

I think c is write answer.

Answer 2

A
Is write
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