Find the sum to nterms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(3 – InterviewSolution

1.	Find the sum to nterms of the series 3//(1^2xx2^2)+5//(2^2xx3^2)+7//(3^2xx4^2)+dot
Answer» `(N^2-2n)/((n-1)^2)` `(n^2+2n)/((n+1)^2)` `(2n^2+1)/n` none Answer :B

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