iran-konkur 2019 Q132

iran-konkur · Other · konkur-riazi_1398_specialized_new-curriculum Matrices Determinant and Rank Computation
132- If $A$ is a $3 \times 3$ matrix and $|A| = 4$, then the determinant of matrix $A \cdot A$ is which of the following?
(1) $64$ (2) $96$ (3) $128$ (4) $256$
\textbf{132-} If $A$ is a $3 \times 3$ matrix and $|A| = 4$, then the determinant of matrix $A \cdot A$ is which of the following?

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(1) $64$ \hfill (2) $96$ \hfill (3) $128$ \hfill (4) $256$

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