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

1 amp; 7 2 amp; 4 ⇒ ( 1) (4) (2) (7) #160; #160; #160; #160; ⇒ #160; 4 14 #160; #160; #160; #160; # ...

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Solving Simultaneous Linear Equation Using Cramer's Rule

Find the valu...

Question

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

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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} 5 & 3 - 7 & 0 \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}

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