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Question
Which equation expresses that the zero matrix absorbs multiplication?
Options
\[AO = OA = O\]
\[AO = OA = A\]
\[A + O = O\]
\[AO = OA = I\]
MCQ
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Solution
The zero matrix absorbs multiplication because every row-by-column product contains only zero terms. Therefore, for compatible matrix orders, \[AO = OA = O\].
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