The value of the determinant of the matrix \( \mathrm{P} \) \( A=\l...

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The value of the determinant of the matrix
\( \mathrm{P} \)
\( A=\left[\begin{array}{ll}2 & -1 \\ 3 & -5\end{array}\right] \) is equal to
W
(1) 7
(2) -7
(3) -8
(4) 8
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