UPSC NDA 2 2022 Mathematics Solved Paper

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Question : 83 of 120

Marks: +1, -0

If f(x)=ln(x+√1+x2), then which one of the following is correct?

[NDA II 2022]

f(x)+f(−x)=0
f(x)−f(−x)=0
2f(x)=f(−x)
f(x)=2f(−x)

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