Find the Inverse of the Matrix $\left[ \begin{array} { l l l } 1 & 5 & 2 \\0 & 1 & 5 \\0 & 0 & 1\end{array} \right]$

question 21

Multiple Choice

Find the inverse of the matrix.
$\left[ \begin{array} { l l l } 1 & 5 & 2 \\0 & 1 & 5 \\0 & 0 & 1\end{array} \right]$

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