Write the minor and co-factor of each element of following matrix \( A \) and evaluate the deter...

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Write the minor and co-factor of each element of following matrix \( A \) and evaluate the determinant using cofactor of second row.\[A=\left|\begin{array}{rrr}3 & -2 & 1 \\4 & 6 & 5 \\2 & -1 & 7\end{array}\right|\]
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