Solve the Problem $| \mathrm { A } |$ By Expanding Down the Third Column

question 49

Essay

Solve the problem.
-Evaluate $| \mathrm { A } |$ by expanding down the third column. Show all your work.
$$A = \left[ \begin{array} { r r r } - 5 & - 4 & - 2 \\1 & 4 & 3 \\- 5 & 1 & - 3\end{array} \right]$$

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Definitions:

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