Lecture on Minor
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For calculation of minor of an element aij  hide i th row and j th column|
Minor of aij = \(M11= \begin{vmatrix} a22& a23\\ a32 &a33\end{vmatrix}
\)
 
Let A = \( \begin{vmatrix}a&b&c&d\\ e&f&g&h\\i&j&k&l\\m&n&o&p\end{vmatrix}
minor(g)=\begin{vmatrix}a&b&d\\i&j&l\\m&n&p\end{vmatrix} \)

 

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