78980 If matrix \(A=\left|\begin{array}{ccc}1 & 0 & -1 \\ 3 & 4 & 5 \\ 0 & 6 & 7\end{array}\right|\) and its inverse is denoted by \(A^{-1}=\left|\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right|\), then the value of \(a_{23}\) is

78981 If \(A=\left[\begin{array}{ll}4 & 2 \\ 3 & 4\end{array}\right],|\operatorname{adj} A|\) is equal to:

78982 Inverse matrix of \(\left[\begin{array}{ll}4 & 7 \\ 1 & 2\end{array}\right]\) is equal to :

78983 If \(\mathbf{A}^{\mathbf{3}}=\mathbf{0}\), then \(\mathrm{I}+\mathrm{A}+\mathrm{A}^{2}\) equals

78980 If matrix \(A=\left|\begin{array}{ccc}1 & 0 & -1 \\ 3 & 4 & 5 \\ 0 & 6 & 7\end{array}\right|\) and its inverse is denoted by \(A^{-1}=\left|\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right|\), then the value of \(a_{23}\) is

78981 If \(A=\left[\begin{array}{ll}4 & 2 \\ 3 & 4\end{array}\right],|\operatorname{adj} A|\) is equal to:

78982 Inverse matrix of \(\left[\begin{array}{ll}4 & 7 \\ 1 & 2\end{array}\right]\) is equal to :

78983 If \(\mathbf{A}^{\mathbf{3}}=\mathbf{0}\), then \(\mathrm{I}+\mathrm{A}+\mathrm{A}^{2}\) equals

78980 If matrix \(A=\left|\begin{array}{ccc}1 & 0 & -1 \\ 3 & 4 & 5 \\ 0 & 6 & 7\end{array}\right|\) and its inverse is denoted by \(A^{-1}=\left|\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right|\), then the value of \(a_{23}\) is

78981 If \(A=\left[\begin{array}{ll}4 & 2 \\ 3 & 4\end{array}\right],|\operatorname{adj} A|\) is equal to:

78982 Inverse matrix of \(\left[\begin{array}{ll}4 & 7 \\ 1 & 2\end{array}\right]\) is equal to :

78983 If \(\mathbf{A}^{\mathbf{3}}=\mathbf{0}\), then \(\mathrm{I}+\mathrm{A}+\mathrm{A}^{2}\) equals

78980 If matrix \(A=\left|\begin{array}{ccc}1 & 0 & -1 \\ 3 & 4 & 5 \\ 0 & 6 & 7\end{array}\right|\) and its inverse is denoted by \(A^{-1}=\left|\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right|\), then the value of \(a_{23}\) is

78981 If \(A=\left[\begin{array}{ll}4 & 2 \\ 3 & 4\end{array}\right],|\operatorname{adj} A|\) is equal to:

78982 Inverse matrix of \(\left[\begin{array}{ll}4 & 7 \\ 1 & 2\end{array}\right]\) is equal to :

78983 If \(\mathbf{A}^{\mathbf{3}}=\mathbf{0}\), then \(\mathrm{I}+\mathrm{A}+\mathrm{A}^{2}\) equals