UPSC NDA Math Model Paper 5

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Question : 8 of 120
 
Marks: +1, -0
Consider the following statements:
1. If A′ = A; then A is a singular matrix, where A′ is the transpose of A.
2. If A is a square matrix such that A3=I , then A is non-singular.
Which of the statements given above is/are correct ?
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