JEE Main 26-Aug-2021 Shift 1 Solved Paper

Section: Mathematics

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Question : 78 of 90

Marks: +1, -0

The value of

lim

n→∞

‌‌

1

n

‌‌

2n−1

Σ

r=0

‌‌

n2

n2+4r2

is

[26 Aug 2021 Shift 1]

1
2
tan−1(2)
1
2
tan−1(4)
tan−1(4)
1
4
tan−1(4)

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