UPSC NDA I 2024 Mathematics Paper
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Question : 11 of 120
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Consider the following statements in respect of two non-singular matrices A B n
1.adj ( A B ) = ( adj A ) ( adj B )
2.adj ( A B ) = adj ( B A )
3.( A B ) adj ( A B ) − | A B | I n n
How many of the above statements are correct?
1.
2.
3.
How many of the above statements are correct?
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