List of top Mathematics Questions on types of matrices asked in AP EAPCET

If $A = \begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}$, then $A^2 - 5A - 2I =$

If \(A\) and \(B\) are \(n\times n\) square matrices such that \[ (2A+B)^2+(A-3B)^2=5A^2-2AB+10B^2, \] then \(ABAB=\)

The rank of the matrix \[ A= \begin{bmatrix} 1 & -1 & 0 & -2 -4 & 4 & 0 & 8 -2 & 1 & 2 & 4 \end{bmatrix} \] is: