ExamBro
ExamBro
AP EAMCET · Maths · Definite Integration

\(\int_0^1 \frac{\log _e(1+x)}{1+x^2} d x=\)

  1. A \(\frac{\pi}{4} \log _6 2\)
  2. B \(\frac{\pi}{6} \log _6 6\)
  3. C \(\frac{\pi}{2} \log _6 8\)
  4. D \(\frac{\pi}{8} \log _6 2\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{\pi}{8} \log _6 2\)

Step-by-step Solution

Detailed explanation

Given integral \(I=\int_0^1 \frac{\log _e(1+x)}{1+x^2} d x\) put \(x=\tan \theta\), so at \(x=0, \theta=0\) and at \(x=1, \theta=\frac{\pi}{4}\) and \(d x=\sec ^2 \theta d \theta\) Now,…