A) \[\left( \begin{matrix} 1 & -4i \\ 0 & 1 \\ \end{matrix} \right)\]
B) \[\left( \begin{matrix} -1 & -4i \\ 0 & -1 \\ \end{matrix} \right)\]
C) \[\left( \begin{matrix} -i & 4 \\ 0 & i \\ \end{matrix} \right)\]
D) \[\left( \begin{matrix} 1 & 4 \\ 0 & 1 \\ \end{matrix} \right)\]
Correct Answer: C
Solution :
\[A.A=\left[ \begin{matrix} -1 & 2i \\ 0 & -1 \\ \end{matrix} \right]\] , \ \[{{A}^{4}}=\left[ \begin{matrix} 1 & -4i \\ 0 & 1 \\ \end{matrix} \right]\].You need to login to perform this action.
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