UPSC NDA I 2016 Mathematics Solved Paper

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For the next two (2) items .that follow :
Consider the function
f(x)=

a[x]+x−1

[x]+x

where [·] denotes the greatest integer function.

[NDA I 2016]

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Question : 47 of 120

Marks: +1, -0

What is

lim

x→0−

f(x) equal to?

[NDA I 2016]

0
ln α
1−α−1
limit does not exist

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