lim n→∞ tan{∑ tan⁻¹(1/(1+r+r²))... | Limits | JEE Main 2021

JEE MAIN 2021

24-02-21 S1

Question

$\lim _{n \rightarrow \infty} \tan \left\{\sum_{r=1}^n \tan ^{-1}\left(\frac{1}{1+r+r^2}\right)\right\}$ is equal to $\_\_\_\_$ .

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Question Tags

JEE Main

Mathematics

Medium

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