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
1x
(x>0,x1)
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Question : 77 of 120
 
Marks: +1, -0
What is (1x)f(x)+xf(x+1) equal to?
 
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