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UPSC NDA I 2024 Mathematics Paper

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Consider the following for the next two (02) items that follow :

A differentiable function

f(x)

has a local maximum at

x=0

. Let

y=2 f(x)+a x-b

.

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Question : 91 of 120

Marks: +1, -0

Which of the following is/are correct?

f^{'}(0)=0

f''(0) < 0

Select the correct answer using the code given below :

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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