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If A = \( \Large \left| \begin{array}{cc} 1 & i \\ -i & 1 \end{array} \right| \)
and B = \( \Large \left| \begin{array}{cc} i & -1 \\ -1 & -i \end{array} \right| \), then AB is

A) \( \Large \left\| \begin{array}{cc} 1 & 0 \\ 0 & 1 \end{array} \right\| \)
B) \( \Large \left\| \begin{array}{cc} i & 0 \\ 0 & i \end{array} \right\| \)
C) \( \Large \left\| \begin{array}{cc} 0 & 0 \\ 0 & 0 \end{array} \right\| \)
D) \( \Large \left\| \begin{array}{cc} -i & 0 \\ 0 & 1 \end{array} \right\| \)

Correct Answer:



C) \( \Large \left\| \begin{array}{cc} 0 & 0 \\ 0 & 0 \end{array} \right\| \)

Part of solved TNPSC Question Paper(2010) questions and answers : Exams >> TNPSC >> TNPSC Question Paper(2010)

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