The cofactor of element -5- in the matrix 1-324-12352 will be -

The cofactor of 5 in given matrix will be: A32=( 1)3+2×1242= (2 8)=6 ...

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Cofactor

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The cofactor of element '5' in the matrix $⎛ ⎜ ⎝ \begin{matrix} 1 & - 3 & 2 4 & - 1 & 2 3 & 5 & 2 \end{matrix} ⎤ ⎥ ⎦$ will be .

-12

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-30

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⎛ ⎜ ⎝ \begin{matrix} 1 & - 3 & 2 4 & - 1 & 2 3 & 5 & 2 \end{matrix} ⎤ ⎥ ⎦

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9

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