AP EAMCET · Maths · Inverse Trigonometric Functions
\(\lim _{n \rightarrow \infty} \sum_{r=1}^n \tan ^{-1}\left(\frac{2 r}{r^4+r^2+2}\right)=\)
- A \(\frac{\pi}{4}\)
- B \(\frac{\pi}{2}\)
- C \(\frac{-\pi}{4}\)
- D \(\frac{-\pi}{2}\)
Answer & Solution
Correct Answer
(A) \(\frac{\pi}{4}\)
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