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

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

A

`pi/4`

B

`pi/3`

C

`pi/2`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
C
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