UPSC NDA II 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow :
Let a function f be defined on ℝ−{0} and 2f(x)+f(‌
1
x
)
=x+3
[NDA II 2023]
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Question : 44 of 120
 
Marks: +1, -0
If f is differentiable, then what is f′(0⋅5) equal to?
[NDA II 2023]
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