求极值 lim(n->无限) [n(n+1)(2n+1)]/6n^2
求数列极限.1.lim n无限(根号n+5 减 根号n) 2.lim n无限 (1+1/2^n)
lim[n/(n*n+1*1)+n/(n*n+2*2)+...+n/(n*n+n*n)],当x趋向无穷大时,怎么求极限,
求lim n→∞ (1+2/n)^n+3
求极限n~∞,lim(n+1)/2n
lim[(n+3)/(n+1))]^(n-2) 【n无穷大】
求lim(n+1)(n+2)(n+3)/(n^4+n^2+1)
求极限lim [ 2^(n+1)+3^(n+1)]/2^n+3^n (n→∞)
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
lim n →∞ (1^n+3^n+2^n)^1/n,求数列极限
lim(n→∞) ((2n!/n!*n)^1/n的极限用定积分求
求极限lim(x→∞)(1/n+2/n+3/n..+n/n)
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