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Evaluate lim(n->oo)1/nsum(r=n+1)^(2n)lo...

Evaluate `lim_(n->oo)1/nsum_(r=n+1)^(2n)log_e(1+r/n)`

A

a)log(27/4e)

B

b)log(27/e^2)

C

c)log(4/e)

D

d)none of these

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