JEE Main 2019 · 12 Jan · Shift II

JEE Main 2019 Mathematics question on Definite Integrals and Areas

lim⁡n→∞(nn2+12+nn2+22+nn2+32+…+15n)\lim_{n \to \infty} \left( \frac{n}{n^2+1^2} + \frac{n}{n^2+2^2} + \frac{n}{n^2+3^2} + \ldots + \frac{1}{5n} \right) is equal to
  1. A.
    tan⁡−1(3)\tan^{-1}(3)
  2. B.
    π/4\pi/4
  3. C.
    tan⁡−1(2)\tan^{-1}(2)
  4. D.
    π/2\pi/2
Show answer

Correct option: B

[JEE Main 2019 · 12 Jan · Shift II]

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