UPSC NDA II 2024 Mathematics Paper

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Question Numbers: 49-50
Direction : Consider the following for the items that follow :
Let A=[

3	−3	4
2	−3	4
0	−1	1

]

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Question : 49 of 120

Marks: +1, -0

What is A(adj A) equal to?

[
5 0 0
0 5 0
0 0 5
]
[
2 0 0
0 2 0
0 0 2
]
[
1∕2 0 0
0 1∕2 0
0 0 1∕2
]
[
1 0 0
0 1 0
0 0 1
]

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