UPSC NDA II 2018 Mathematics Solved Paper

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Question : 76 of 120

Marks: +1, -0

If f(x)=√25−x2,then what is

lim

x→1

‌‌

f(x)−f(1)

x−1

equal to

[NDA II 2018]

−
1
√24
1
√24
−
1
4√3
1
4√3

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