1.If A=[2−35−7]A = \begin{bmatrix} 2 & -3 \\ 5 & -7 \end{bmatrix}A=[25−3−7], then A+A−1=A + A^{-1} =A+A−1=a.[1001]\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}[1001]b.[−500−5]\begin{bmatrix} -5 & 0 \\ 0 & -5 \end{bmatrix}[−500−5]c.[5005]\begin{bmatrix} 5 & 0 \\ 0 & 5 \end{bmatrix}[5005]d.[400−5]\begin{bmatrix} 4 & 0 \\ 0 & -5 \end{bmatrix}[400−5]Login to continueOnly logged in users canattempt or see the solution.
