KcetMatrices And DeterminantsKCET 2018MCQ+1 / -02018If $A=\left[\begin{array}{cc}2 & -2 \\ -2 & 2\end{array}\right]$, then $A^n=2^k A$, where $k$ is equal toA$2^{n-1}$B$n+1$C$n-1$D$2(n-1)$Check AnswerClear SelectionReveal AnswerShow Explanation
