What is the integral of \( \int \frac{dx}{9x^2 + 1} \) ? A) \( \frac{1}{3}\tan^{-1}(3x) + C \) B) \( \frac{1}{27}\tan^{-1}(3x) + C \) C) \(…
Class 12 Mathematics · 2082 · Solved Question with Answer
What is the integral of \( \int \frac{dx}{9x^2 + 1} \)?
A) \( \frac{1}{3}\tan^{-1}(3x) + C \) B) \( \frac{1}{27}\tan^{-1}(3x) + C \) C) \( \frac{1}{27}\tan^{-1}\left(\frac{x}{3}\right) + C \) D) \( \frac{1}{27}\tan^{-1}\left(\frac{3}{x}\right) + C \)
