lim(n->无穷大)(1^n+2^n+3^n+4^n)^1/n等于多少
lim[(n+3)/(n+1))]^(n-2) 【n无穷大】
lim 9^n+4^n+2/5^n-3^2n-1 n趋于无穷大时
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
lim n->无穷大(2^n-1)/(3^n+1)
lim n趋向无穷大(3^n+2^n)/(3^(n+1)-2^(n+1))=?
紧急:求 lim n*sin(π(n^2+2)^0.5)*(-1)^n,n趋向无穷大;
lim n趋于无穷大(1/n^2+3/n^2+.+2n-1/n^2
极限计算 lim (1+2+3+...+n)/n^2=?(n趋向于无穷大)
请老师回答问题,lim(n趋于无穷大)(1^n+2^n+3^n)1/n次方=?lim(x趋于无穷大)sin2x/x=?
lim(n+1)^(1/2)-n^(1/2) ,n->无穷大
lim(n趋向无穷大) 2^n/n!如何算
Lim n-无穷大 n/(n^2+1^2)+n/(n^2+2^2)+.n/(n^2+n^2)