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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Definite Integration

NDA 2011 · Mathematics · Definite Integration

What is ∫_0^π (d x)/(1+2 ^2 x) equal to?

What is ∫0πdx1+2sin⁡2x\int_0^\pi \frac{d x}{1+2 \sin ^2 x} equal to?

Options

  1. Aπ\pi
  2. Bπ3\frac{\pi}{3}
  3. Cπ3\frac{\pi}{\sqrt{3}}
  4. D2π3\frac{2 \pi}{\sqrt{3}}

Correct answer

B. π3\frac{\pi}{3}

Step-by-step solution

The correct answer is option (B).
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