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September 30, 2014

September 30, 2014

Posted by **PRERANA** on Sunday, May 22, 2011 at 9:57am.

lim (existing from n to infinity)1/n^2 [1/1+cos(pie/2n) +2/1+cos(2pie/2n) + 3/1+cos(3pie/2n)+......to n terms]

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