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Find the Determinant And, If Possible, the Inverse of the Matrix

question 98

Essay

Find the determinant and, if possible, the inverse of the matrix. [100131−1−20]\left[ \begin{array} { c c c } 1 & 0 & 0 \\1 & 3 & 1 \\- 1 & - 2 & 0\end{array} \right]

Definitions:

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