The cofactor of the element -4- in the determinant 1 3 5 1 2 3 4 2 8 0 1 1 0 2 1 1 is

The cofactor of element 4, in the 2^nd row and 3^rd column is =( 1)^2+3 1 amp;3 amp;1 8 amp;0 amp;1 0 amp;2 amp;1 = 1( 2) 3(8 0)+1.16 =10. ...

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Cofactor

The cofactor ...

Question

The cofactor of the element '4' in the determinant $∣ ∣ ∣ ∣ ∣ ∣ \begin{matrix} 1 & 3 & 5 & 1 2 & 3 & 4 & 2 8 & 0 & 1 & 1 0 & 2 & 1 & 1 \end{matrix} ∣ ∣ ∣ ∣ ∣ ∣$ is

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-10

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-4

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^{'} 4^{'}

∣ ∣ ∣ ∣ ∣ ∣ \begin{matrix} 1 & 3 & 5 & 1 2 & 3 & 4 & 2 8 & 0 & 1 & 1 0 & 2 & 1 & 1 \end{matrix} ∣ ∣ ∣ ∣ ∣ ∣

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∣ ∣ ∣ ∣ \begin{matrix} 2 & - 1 & 4 4 & 2 & - 3 1 & 1 & 2 \end{matrix} ∣ ∣ ∣ ∣

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