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Question
If A and B are matrices of order 3 and |A| = 5, |B| = 3, then |3AB| = 27 × 5 × 3 = 405.
Options
True
False
MCQ
True or False
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Solution
This statement is True.
Explanation:
|3AB| = 33|AB|
= 27|A||B|
= 27 × 5 × 3 ......[∵ |KA| = Kn|A|]
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