UPSC NDA II 2025 Mathematics Paper

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Question Numbers: 76-77
For the following two (02) items:
Consider the function
f(x)=‌

x

1−x

(x>0,x≠1)

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Question : 76 of 120

Marks: +1, -0

What is ‌

f(x)

f(x+1)

equal to?

−f(x2)
−f(√x)
f(x2)
f(x−1)

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