1.Let A=(00−10−10−100)A = \begin{pmatrix}0&0&-1\\0&-1&0\\-1&0&0\end{pmatrix}A=00−10−10−100. The only correct statement isa.AAA is zero matrixb.A2=IA^2=IA2=Ic.A−1A^{-1}A−1 does not existd.A=(−1)IA=(-1)IA=(−1)ILogin to continueOnly logged in users canattempt or see the solution.
