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UPSC NDA 2 2022 Mathematics Solved Paper

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Consider the following for the next three (03) items that follow:
Let A=(

0	sin2θ	cos2θ
cos2θ	0	sin2θ
sin2θ	cos2θ	0

) and A=P+Q where P is symmetric matrix and Q is skew-symmetric matrix.

[NDA II 2022]

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Question : 39

Total: 120

What is the minimum value of determinant of A ?

‌
1
4
‌
1
2
‌
3
4
1

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