求极限:lim(n→+∞) 3n+1/4n+3
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(x→∞)(1/n+2/n+3/n..+n/n)
求极限:lim(n→∞)[(3n+1 )/(3n+2)]^(n+1)
求极限lim(-2)^n+3^n/(-2)^[n+1]+3^[n+1] (x→∞)
求极限lim(n→∞)(3n^2-n+1)/(2+n^2)?
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
求极限,lim(x->0) (1-2sinx)^(3/x)lim(n->+∞) (n!-4^n) / (6+ln(n)+
一道极限题,lim[n^2(2n+1)]/(n^3+n+4)n->∞
求极限lim[n→∞](n^2+1)/(2n^2+3)
求极限 lim(n→∞)[根号(n^2+4n+5)-(n-1)] =
lim((5^n-4^(n-1))/((5^(n+1)+3^(n+2)) n→∞时的极限是多少?