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If \\(\\left[\\begin{array}{cc}x+y & 7 \\\\ 9 & x-y\\end{array}\\right]=\\left[\\begin{a....
If \( \quad A=\left[\begin{array}{cc}1 & -1 \\ 2 & 1\end{array}\right], \quad B=\left[\begin{arr....
If \( A=\left[\begin{array}{lll}0 & 1 & 0 \\ 0 & 0 & 1 \\ p & q & r...
If \( A=\left(\begin{array}{ll}1 & 1 \\ 0 & i\end{array}\right) \) and \( A^{2018}=\left(\begin{...
If \( A=\left[\begin{array}{rr}2 & -1 \\ -1 & 2\end{array}\right] \) and \( I \) is the identity...
If \( A=\left[\begin{array}{ccc}1 & 2 & 2 \\ 2 & 1 & -2 \\ a & 2 & ...
If \( A=\left[\begin{array}{cc}4 & 2 \\ -1 & 1\end{array}\right] \) and I is the identity matrix...
If \( A=\left[\begin{array}{cc}4 & 2 \\ -1 & 1\end{array}\right] \) and \( I \) is the identity ...
If \( A=\left[\begin{array}{rrr}1 & -3 & 2 \\ 2 & 0 & 2\end{array}\...
If \( A=\left[\begin{array}{ll}1 & -1 \\ 2 & -1\end{array}\right], B=\left[\begin{array}{cc}a & ...
If \( A=\left[\begin{array}{ccc}0 & -1 & 2 \\ 1 & 0 & 3 \\ -2 & -3 ...
If \( A=\left[\begin{array}{rr}3 & 2 \\ -1 & 1\end{array}\right] \) and \( B=\left[\begin{array}...