UPSC NDA 2 2021 Mathematics Solved Paper

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Question : 22 of 120

Marks: +1, -0

The inverse of a matrix A is given by [

−2

1

‌

3

2

−‌

1

2

]
What is A equal to?

[NDA-II 2021]

[
1 2
3 4
]
[
1 −2
−3 4
]
[
1 2
3 −4
]
[
−1 2
3 4
]

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