作业帮lim(n→∞)(1/根号n^2+1······1/根号n^2+n)
求极限lim(n→∞)(1/根号n^2+1······1/根号n^2+n)
lim（n→∞) 根号n+2(根号n+1-根号n-1)
lim(n→∞)(根号n+2-根号n)*根号n-1=?
lim(根号(n平方+2n)-根号(n平方-1))
lim[n/(n^2+1^2)+n/(n2+2^2)+···n/(n^2+n^2)] n->无穷大
LIM[根号（N+1）-根号（N）]/[根号（N+2）-根号（N）]
求极限 lim(n→∞)[根号(n^2+4n+5)-(n-1)] =
lim根号n^2+n+1/3n-2
求极限 lim(n无穷)n【(根号（n^2+1)-根号（n^2-1)】
求1.lim(3n-(3n^2+2n)/(n-1)) 2.lim(8+1/(n+1)) 3.lim根号n(根号(n+1)
求lim(n→无穷)(根号（n+1）-根号n)*根号n 的极限
lim(根号（2n+1）+根号n)/（根号（2n）-根号（n+1））=?