求lim(1-e^2n)/(1+e^2n) (n->无穷)?
lim(n->无穷) (tan(pi/4 + 1/n)) ^n的极限 为什么是 e^2
(e^n)-1/(e^2n)-1,n倾向无穷.求极限
n趋向正无穷 求极限n*[e^2-(1+1/n)^2n]
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
求极限 lim(n无穷)n【(根号(n^2+1)-根号(n^2-1)】
求极限:lim((2n∧2-3n+1)/n+1)×sin n趋于无穷
求极限:Lim(1+1/n-1/n^2)^n n趋向于正无穷
求极限 n趋向于无穷 lim((根号下n^2+1)/(n+1))^n
求极限lim(n趋向于无穷)(n+1)(根号下(n^2+1)-n)
求极限lim(1+2^n+3^n)^1/n.n-->无穷.
求极限:lim(x→无穷)(2^n-7^n)/(2^n+7^n-1)=?
求极限,lim(1+n)(1+n^2)(1+n^4)-----(1+n^2n)=?(n趋于无穷)