lim n->无穷大(2^n-1)/(3^n+1)

lim[(n+3)/(n+1))]^(n-2) 【n无穷大】 lim n->无穷大(2^n-1)/(3^n+1) lim n趋向无穷大3n^3+n^2-3/4n^3+2n+1 lim n趋于无穷大(1/n^2+3/n^2+.+2n-1/n^2 lim (1+1/2n)^n n趋向于无穷大 lim (2n-1)/(2^n)=?n=>无穷大 lim (1+2/n)^n+4 n-->无穷大 求极限 lim(n^2-1)/(3n^2+n)=?n-->无穷大 lim(1/n+2/n+3/n+4/n+5/n+……+n/n)=lim(1/n)+lim(2/n)+……+lim(n/n)成立吗?（n趋近于无穷大）为什么不成立? lim[1/(n+1)+1/(n+2)+1/(n+3)+、、、1/(n+n)]当n趋于无穷大时的极限? lim（n->无穷大）（1^n+2^n+3^n+4^n）^1/n等于多少 lim (n^2+1)/(3-n^2) =n为无穷大 lim(n—无穷大)n!/2×5×8×…×(3n-1)如题, lim√1+1/n^2 n趋向于无穷大 lim n趋向无穷大 (2^3n-3^2n-1)/(2^3n+3^2n)=? lim n趋向无穷大(3^n+2^n)/(3^（n+1）-2^（n+1）)=? 求lim n趋于无穷大((n+1)(n+2)(n+3)) / 5n的三次方 的极限 求极限lim(n-1)^n/(n-2)^n(n到无穷大）