lim(1-1/2^2)(1-1/^3)(1-1/^4).(1-1/n^2)

lim[(n+3)/(n+1))]^(n-2) 【n无穷大】 lim n->无穷大(2^n-1)/(3^n+1) lim根号n^2+n+1/3n-2 lim(3^2n+5^n)/(1+9^n) 求lim n→∞ (1+2/n)^n+3 高数 lim n趋向无穷 lim（3^(1/n)-1)ln(2+2^n) 求极限lim 2/(3^n-1) 求1.lim(3n-(3n^2+2n)/(n-1)) 2.lim(8+1/(n+1)) 3.lim根号n(根号(n+1) 求极限,lim(x->0) (1-2sinx)^(3/x)lim(n->+∞) (n!-4^n) / (6+ln(n)+ lim(1/n^2+4/n^2+7/n^2+…+3n-1/n^2) 求lim(n+1)(n+2)(n+3)/(n^4+n^2+1) 求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]