Consider the following: I. \frac{du}{dx} = −v II. \frac{dv}{dx} = −u Which of the above is/are correct?

Correct Answer is : Neither I nor II

UPSC NDA II 2025 Mathematics Paper

Question Numbers: 85-86
For the following two (02) items:
Let u=∫excos‌ ‌x‌ ‌dx and v=∫exsin‌ ‌x‌ ‌dx.

Question : 86 of 120

Marks: +1, -0

Consider the following:
I. ‌

=−v
II. ‌

=−u
Which of the above is/are correct?

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