UPSC NDA I 2024 Mathematics Paper
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Question : 12 of 120
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Consider the following statements in respect of a non-singular matrix A of order n :
1.A ( adj A T ) = A ( adj A ) T
2. IfA 2 = A , then A is identity matrix of order n
3. IfA 3 = A , then A is identity matrix of order n
Which of the statements given above are correct?
1.
2. If
3. If
Which of the statements given above are correct?
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