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

asked Dec 5, 2023 112k views

2 votes

by Sokie

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6 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.

Syed Aslam answered Dec 9, 2023

3.1k points

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