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Solve for lim(n to oo) sum(r=1)^n n^2/(...

Solve for
`lim_(n to oo) sum_(r=1)^n n^2/((n^2+r^2)(n+r))=`

A

`1/4ln2+pi/8`

B

`1/4ln2-pi/8`

C

`-1/4ln2-pi/8`

D

`-1/4ln2+pi/8`

Text Solution

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