Find the value of `lim_(nrarroo)` `Cos[ pi sqrt(n^2 +n)], n in Z` is equal to

The value of I=lim_(nrarroo)Sigma_(r=1)^(n)(r)/(n^(2)+n+r) is equal to

The value of I=lim_(nrarroo)Sigma_(r=1)^(n)(r)/(n^(2)+n+r) is equal to

If Sigma_(r=1)^(n)t_(r)=(1)/(6)n(n+1)(n+2), AA n ge 1, then the value of lim_(nrarroo)Sigma_(r=1)^(n)(1)/(t_(r)) is equal to

If Sigma_(r=1)^(n)t_(r)=(1)/(6)n(n+1)(n+2), AA n ge 1, then the value of lim_(nrarroo)Sigma_(r=1)^(n)(1)/(t_(r)) is equal to

Evaluate the limit: (lim_(n rarr oo)cos(pi sqrt(n^(2)+n)) when n is an integer

Find the value of the limit lim_(nrarroo)(1^2+2^2+...+n^2)/n^3

Evaluate the limit: ("lim")_(nrarroo)cos(pisqrt(n^2+n)) when n is an integer

Evaluate the limit: ("lim")_(nrarroo)cos(pisqrt(n^2+n)) when n is an integer