UPSC NDA II 2025 Mathematics Paper

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Question Numbers: 78-80
For the following three (03) items:
Let y=f(x)=‌

xsin‌−1⁡x

√1−x2

+ln⁡√1−x2.

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Question : 79 of 120

Marks: +1, -0

What is ‌

d2y

dx2

at x = 0 equal to?

0
0.5
1
1.5

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