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lim(n rarr oo) n.sum(r=0)^(n-1) 1/(n^(2)...

`lim_(n rarr oo) n.sum_(r=0)^(n-1) 1/(n^(2)+r^(2)) =`

A

`pi/4`

B

`pi/2`

C

0

D

log2

Text Solution

Verified by Experts

The correct Answer is:
A
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