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Question 1 · 3 marks
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Find
det
(
2
−
1
3
0
4
1
5
2
−
2
)
\det\begin{pmatrix} 2 & -1 & 3 \\ 0 & 4 & 1 \\ 5 & 2 & -2 \end{pmatrix}
det
2
0
5
−
1
4
2
3
1
−
2
.