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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Differentiation

NDA 2011 · Mathematics · Differentiation

If y= x , then what is the value of (d y)/(d x) at x=(π)/(4) ?

If y=ln⁡tan⁡xy=\ln \sqrt{\tan x}, then what is the value of dydx\frac{d y}{d x} at x=π4x=\frac{\pi}{4} ?

Options

  1. A00
  2. B−1-1
  3. C1/21 / 2
  4. D11

Correct answer

D. 11

Step-by-step solution

The correct answer is option D
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