ExamBro
ExamBro
enEnglishguગુજરાતી
GUJCET · Maths · Integrals

જો \(\int \frac{\cos 3 x}{\sin x} d x=p \cos 2 x+q \log |\sin x|+\mathrm{C}\), તો \(p+q\) = _________.

  1. A \(0\)
  2. B 2
  3. C \(\frac{3}{2}\)
  4. D \(\frac{1}{2}\)
Verified Solution

Answer & Solution

Correct Answer

(B) 2

Step-by-step Solution

Detailed explanation

\( \int \frac{\cos 3 x}{\sin x} d x = \int \frac{4\cos^3 x - 3\cos x}{\sin x} d x \) \( = \int \frac{\cos x (4\cos^2 x - 3)}{\sin x} d x \)
From GUJCET
Explore more questions on app