Evaluate the determinants 2 4 -5 -1

The value of 2 amp; 4 5 amp; 1 =2( 1) 4( 5) =20 2 =18 ...

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Determinant

Evaluate the ...

Question

Evaluate the determinants
$∣ ∣ ∣ \begin{matrix} 2 & 4 - 5 & - 1 \end{matrix} ∣ ∣ ∣$

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