Compute the inverse of the matrix. \( \mathrm{P} \) \[ A=\left[\beg...

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Compute the inverse of the matrix.
\( \mathrm{P} \)
\[
A=\left[\begin{array}{ccc}
3 & -1 & 1 \\
-15 & 6 & -5 \\
5 & -2 & 5
\end{array}\right]
\]
and verify that \( A^{-1} A=I_{3} \).
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