UPSC NDA II 2015 Mathematics Solved Paper

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Question : 71 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 2015]

1
5
1
24
√24
−
1
√24

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