UPSC NDA I 2025 Mathematics Paper

Show Para Hide Para

Question Numbers: 71-72
Let x= sec⁡θ−cos⁡θ‌ and ‌y= sec4⁡θ−cos4⁡θ‌

© examsiri.com

Question : 71 of 120

Marks: +1, -0

What is (‌

dy

dx

)2 equal to?

‌
4(y2+4)
(x2+4)
‌
4(y2−4)
(x2−4)
‌
16(y2+4)
(x2+4)
‌
16(y2−4)
(x2−4)

Go to Question:

Prev Question

Next Question