求lim(n->无穷)(3n+5)/(n^2+n+4)^1/2的极限

求lim(n->无穷)(3n+5)/(n^2+n+4)^1/2的极限 求lim(n-无穷)(sinn!/(n!+1)) 求极限~lim n[e-(1+1/n)^n] n->无穷lim n[e-(1+1/n)^n] n->无穷 lim(2^n+3^n)^1 (n趋向无穷) 求lim趋向于无穷3^n+(-2)^n/3^(n+1)+(-2)^(n+1) 求极限：lim((2n∧2-3n+1)/n+1)×sin n趋于无穷 求lim ln n/n n→无穷为什么 求lim(n趋向于正无穷)(x^n)/n! 求极限 lim (1+2+3+...+n/n+2-n/2)趋向是正无穷lim (1+2+3+...+n/(n+2)-n/2)趋向是正无穷 lim(n->无穷)[(1+3+5+.(2n+1)]/n^2]^(3-2n) lim(n-无穷)=3n^2/5n^2+2n-1, 求极限lim n趋于无穷,(1/n^2+3/n^2+...+2n-1/n^2)rt lim(n->无穷)[(3n^2+cn+1)/(an^2+bn)-4n]=5求常数a、b、c 当n趋向无穷lim 3∧n×tanx/3∧n求极限 Lim(1-3/2n)^4n+5.n趋于无穷,求极限 求极限 lim 【（1+2+3+...+n）/（n+2）-n/2】趋向是无穷 lim n趋向正无穷 求(1+1/n^3)^n的极限 求lim(-1+3^n)/2^(n+1)的极限(N趋向正无穷)