极限计算 lim (1+2+3+...+n)/n^2=?(n趋向于无穷大)
极限计算 lim (1+2+3+...+n)/n^2=?(n趋向于无穷大)
求极限 lim n[1/(n^2+1)+1/(n^2+2^2)+……+1/(n^n+n^n)] (n趋向于无穷大,n^n
证明lim(n/(n^2+1))=0(n趋向于无穷大)
利用定积分定义求极限lim(n趋向于无穷大)(1+√2+√3+…+√n)/n√n
数学题目:lim(n趋向无穷大) ((n+1)*(n+2)*(n+3))/(3*n*n) =1/3的计算过程 急需,谢谢
lim n趋向无穷大(3^n+2^n)/(3^(n+1)-2^(n+1))=?
求极限 n趋向于无穷 lim((根号下n^2+1)/(n+1))^n
求极限lim(n趋向于无穷)(n+1)(根号下(n^2+1)-n)
用极限的两边夹逼定理证明lim(1+2的n次方+3的n次方)的n次方分之一=3(n趋向无穷大)
lim(n趋向无穷大) 2^n/n!如何算
n趋向于无穷大,((2n+3)/(2n+1) )的(n+1)次方的极限
求数列lim√n(√(n 2)-√(n-1))的极限(n趋向于无穷大)