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प्रश्न
If A and B are square matrices each of order 3 and |A| = 5, |B| = 3, then the value of |3AB| is ______.
रिकाम्या जागा भरा
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उत्तर
If A and B are square matrices each of order 3 and |A| = 5, |B| = 3, then the value of |3AB| is 405.
Explanation:
|3AB| = 33 |A| |B|
= 27 × 5 × 3
|3AB| = 405
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