Minor and Cofactors

For $A=\left[\begin{array}{ccc}1& -2& 1\\ 3& 0& 5\\ 4& -1& 2\end{array}\right]$

verify that $A\left(adjA\right)=\left(ajdA\right)A=\left|A\right|I_3$

Find minors and cofactors of the elements of the determinant

$\left|\begin{array}{ccc}2& -3& 5\\ 6& 0& 4\\ 1& 5& -7\end{array}\right|$ and verify that $a_{11}{ A}_{31}+a_{12}{ A}_{32}+a_{13}{ A}_{33}=0$

Find minors and cofactors of the elements $a_{11}, a_{21}$ in the determinant

$△=\left|\begin{array}{lll}{a}_{11}& a_{12}& a_{13}\\ a_{21}& a_{22}& a_{23}\\ a_{31}& a_{32}& a_{33}\end{array}\right|$

Find minors and cofactors of all the elements of the determinant $\left|\begin{array}{rr}1& -2\\ 4& 3\end{array}\right|$.

Find the minor of element $6$ in the determinant $\Delta =\left|\begin{array}{lll}1& 2& 3\\ 4& 5& 6\\ 7& 8& 9\end{array}\right|$.

How to find cofactor of a matrix.

Find the cofactor of an element $a_{33}$ for the following determinant $\left|\begin{array}{ccc}2& 4& 5\\ 7& 1& 4\\ 1& 5& 8\end{array}\right|$.

Find the minor of an element $a_{33}$ for the following determinant $\left|\begin{array}{ccc}3& -3& 5\\ 6& 1& 4\\ 1& 5& -7\end{array}\right|$.

Find the minor of an element $a_{11}$ for the following determinant $\left|\begin{array}{ccc}3& -3& 5\\ 6& 1& 4\\ 1& 5& -7\end{array}\right|$.

Find the cofactor of an element $a_{12}$ for the following determinant $\left|\begin{array}{ccc}2& -3& 5\\ 6& 0& 4\\ 1& 5& -7\end{array}\right|$.

Find the minor of an element $a_{12}$ for the following determinant $\left|\begin{array}{ccc}2& -3& 5\\ 6& 0& 4\\ 1& 5& -7\end{array}\right|$.

Find the adjoint of the following matrix $\left[\begin{array}{ccc}1& -1& 2\\ -2& 3& 5\\ -2& 0& -1\end{array}\right]$

Find the matrix of cofactors for the following matrix $\left[\begin{array}{cc}1& 3\\ 4& -1\end{array}\right]$

Find the co-factors of the elements of the following matrix $\left[\begin{array}{ccc}1& -1& 2\\ -2& 3& 5\\ -2& 0& -1\end{array}\right]$

Find the co-factors of the elements of the following matrix $\left[\begin{array}{cc}-1& 2\\ -3& 4\end{array}\right]$

Find the minor of the elements of second row of determinant $\left|\begin{array}{ccc}2& 3& 4\\ 3& 6& 5\\ 1& 8& 9\end{array}\right|$.

Which component of aggregate demand includes spending on capital goods?

Which of the following is an example of Net Factor Income from Abroad (NFIA)?

Which of the following is not considered in the calculation of Gross Domestic Product (GDP) at market prices?

Which psychologist proposed the Investment Theory of creativity?