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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 a function

f

be defined on

\mathbb{R}-\{0\}

and

2 f(x) + f\left(\frac{1}{x}\right) = x + 3

[NDA II 2023]

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Question : 43 of 120

Marks: +1, -0

What is

f(0 \cdot 5)

$\;\frac{1}{2}$
$\;\frac{2}{3}$
1
2

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