x→∞lim(n2+12n+n2+22n+?+5nn) is equal to (A) 2π (B) 4π (C) tan−1(2) (D) tan−1(3)

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$x \to \infty lim (\frac{n}{n ^{2} + 1 ^{2}} + \frac{n}{n ^{2} + 2 ^{2}} + ? + \frac{n}{5 n})$ is equal to (A) $\frac{π}{2}$ (B) $\frac{π}{4}$ (C) $tan^{- 1} (2)$ (D) $tan^{- 1} (3)$

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x \to \infty lim (\frac{n}{n ^{2} + 1 ^{2}} + \frac{n}{n ^{2} + 2 ^{2}} + ? + \frac{n}{5 n})

is equal to (A)

\frac{π}{2}

(B)

\frac{π}{4}

(C)

tan^{- 1} (2)

(D)

tan^{- 1} (3)

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Question Text	$x \to \infty lim (\frac{n}{n ^{2} + 1 ^{2}} + \frac{n}{n ^{2} + 2 ^{2}} + ? + \frac{n}{5 n})$ is equal to (A) $\frac{π}{2}$ (B) $\frac{π}{4}$ (C) $tan^{- 1} (2)$ (D) $tan^{- 1} (3)$
Answer Type	Video solution: 1
Upvotes	150