सिद्ध कीजिए कि \[ \left[\begin{array}{lll} 1 & 2 & 3 \\ 3 & 2 & 2 \\ 1 & 3 & 5 \end{array}\right...
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0सिद्ध कीजिए कि
\[
\left[\begin{array}{lll}
1 & 2 & 3 \\
3 & 2 & 2 \\
1 & 3 & 5
\end{array}\right]^{-1}=\left[\begin{array}{ccc}
-4 & 1 & 2 \\
13 & -2 & -7 \\
-7 & 1 & 4
\end{array}\right]
\]
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