1.

Let \(A = \left[ {\begin{array}{*{20}{c}} 1&1&3\\ 5&2&6\\ { - 2}&{ - 1}&{ - 3} \end{array}} \right]\), then A is

A. Nilpotent
B. Idempotent
C. Scalar
D. None of these
Answer» E.


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