求极限 (见图) limit(((root(n^3-n,3)+1)/(n-sqrt(4n^2-1))),n,infini
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
求极限lim(x→∞)(1/n+2/n+3/n..+n/n)
求极限lim [ 2^(n+1)+3^(n+1)]/2^n+3^n (n→∞)
求极限 n趋向无穷 2^n+1 + 3^n+1/2^n+3^n
求(1^n+2^n+3^n)^1/n,n趋于无穷大的极限
lim n →∞ (1^n+3^n+2^n)^1/n,求数列极限
求极限:lim(n→∞)[(3n+1 )/(3n+2)]^(n+1)
∑(N等于1,2,3,4..n) 5^N/N!,极限怎么求
一道极限题,lim[n^2(2n+1)]/(n^3+n+4)n->∞
求极限Xn=n/(n^2+1)+n/(n^2+2)+n/(n^2+3)+……+n/(n^2+n),
(1-n^4)/(n^3+2n^2+1) 求极限
求极限lim(1/2n+3/4n+……+(2^n-1)/(2^n*n))