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UPSC NDA II 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow:
Let f(x)=√2−x+√2+x.

[NDA II 2023]

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Question : 55 of 120

Marks: +1, -0

What is the domain of the function?

(−2,2)
[−2,2]
R−(−2,2)
R−[−2,2]

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