Find the value of -6 -3 -5 5 7 -6 3 9 9

HydTechie asked Jun 14, 2023

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HydTechie asked Jun 14, 2023

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21 votes

Given

To use Sarrus we must copy the first two columns

And the determinant will be

Doing the simplification

$\begin{gathered} -549-(+84) \\ -549-84 \\ \\ -633 \end{gathered}$

Therefore, the determinant is -633.

Adonike answered Jun 20, 2023

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