Q. $lim_{n \to \infty} \sum_{r = 1}^{n} T a n^{- 1} (\frac{2 r}{r ^{4} + r ^{2} + 2}) =$

2352 161 AP EAMCETAP EAMCET 2018 Report Error

A

$\frac{π}{4}$

100%

B

$\frac{π}{2}$

0%

C

$\frac{- π}{4}$

0%

D

$\frac{- π}{2}$

0%

Solution:

Correct answer is (a) $\frac{π}{4}$