lim(n→∞)[5^n-4^(n-1)]/[5^(n+1)+3^(n+2)]
lim((5^n-4^(n-1))/((5^(n+1)+3^(n+2)) n→∞时的极限是多少?
lim 9^n+4^n+2/5^n-3^2n-1 n趋于无穷大时
求极限 lim(n→∞)[根号(n^2+4n+5)-(n-1)] =
lim(n→∞) (n+1)(n+2) (n+3)/5n3次方+n 的极限?
求lim n→∞ (1+2/n)^n+3
lim(3^2n+5^n)/(1+9^n)
lim(n→∞)[1/(3n+1)+1/(3n+2)+~1/(3n+n)]
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(n→∞)3n^2+5n-7/4-n^2的值是