1.

If S_(n)=sum_(r=1)^(n)(n)/(n^(2)+rn+r^(2))andt_(n)=sum_(r=0)^(n=1)(n)/(n^(2)+rn+r^(2)). Prove that S_(n)lt(pi)/(3sqrt(3))ltt_(n)AAnin N.

Answer»


ANSWER :`S_(n)LT(pi)/(3sqrt(3))ltt_(n)`


Discussion

No Comment Found

Related InterviewSolutions