极限 (n→∞) lim[1+1/(3n)]^(4n-2)

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） 一道极限题,lim[n^2(2n+1)]/(n^3+n+4)n->∞ lim((5^n-4^(n-1))/((5^(n+1)+3^(n+2)) n→∞时的极限是多少? 极限 (n→∞) lim[1+1/(3n)]^(4n-2) 求极限lim(-2)^n+3^n/(-2)^[n+1]+3^[n+1] (x→∞) 求极限：lim(n→∞)[（3n+1 ）/（3n+2）]^(n+1) 求极限lim(n→∞)(3n^2-n+1)/(2+n^2)? 求极限 lim(n→∞)[根号(n^2+4n+5)-(n-1)] = lim（n→∞) （(2n!/n!*n)^1/n的极限用定积分求 求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]