求极限,如图.lim里面不是n/n等于1嘛?怎么被1减还是1?
求极限n~∞,lim(n+1)/2n
求极限lim(n+2)/(2n^2-1)^(1/2)等于什么 n趋于无穷大
求极限lim 2/(3^n-1)
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,
怎么证明极限lim(1/n^n)=0
求极限 lim x-无穷 sin(n+1)/(n+a)
求极限lim(n→∞)(a^n+(-b)^n)/(a^n+1+(-b)^n+1)
求极限lim [ 2^(n+1)+3^(n+1)]/2^n+3^n (n→∞)
lim n →∞ (1^n+3^n+2^n)^1/n,求数列极限
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
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)