maths --plse help me..

find the sum to infinity of the following series
rn
(1+1/n) -(1 - 1/1+n) - n square / (n+1)square + ...........

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1. Angel, did you not look how your post looked like when you first posted it ?
This one looks exactly the same, and it still makes no sense.

What is rn ?
What gets divided by (n+1)^2 ?
What does (n+1)square + ..... mean ?

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posted by Reiny

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