Find the value of following determinant- -1 7 2 4-

1 amp; 7 2 amp; 4= 1*4 7*2= 18 ...

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Determinant

Find the valu...

Question

Find the value of following determinant.
$∣ ∣ ∣ \begin{matrix} - 1 & 7 2 & 4 \end{matrix} ∣ ∣ ∣$ .

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∣ ∣ ∣ \begin{matrix} - 1 & 7 2 & 4 \end{matrix} ∣ ∣ ∣

|\begin{matrix} - 1 & 7 \\ 2 & 4 \end{matrix}|

|\begin{matrix} 5 & 3 \\ - 7 & 0 \end{matrix}|

|\begin{matrix} \frac{7}{3} & \frac{5}{3} \\ \frac{3}{2} & \frac{1}{2} \end{matrix}|

∣ ∣ ∣ ∣ ∣ \begin{matrix} \frac{7}{3} & \frac{5}{3} \frac{3}{2} & \frac{1}{2} \end{matrix} ∣ ∣ ∣ ∣ ∣

\frac{3}{4}, \frac{5}{8}, \frac{11}{12} and \frac{17}{24}

∣ ∣ ∣ \begin{matrix} 5 & 2 7 & 4 \end{matrix} ∣ ∣ ∣

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