求极限,N趋向无穷,n^2 （(a+1/n)^(1/n)-a^(1/n)）n^2 *((a+1/n)^(1/n)-a^(1/n))

求极限,N趋向无穷,n^2 （(a+1/n)^(1/n)-a^(1/n)）n^2 *((a+1/n)^(1/n)-a^(1/n)) n^2[a^(1/n)-a^1/(1+n)]求极限a大于0,n趋向于无穷 求极限 n趋向无穷 2^n+1 + 3^n+1/2^n+3^n 求极限(1/n^2)/(e^(1/n)-1-1/n) n趋向于无穷 当n趋向于无穷时,求n^(1/2)*[n^(1/n)-1]的极限 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) n趋向无穷,求极限(3n+1)/(3n-1)的2n+3次方 求极限 lim(n+1/n+2)^n.n趋向无穷 求极限 lim 【（1+2+3+...+n）/（n+2）-n/2】趋向是无穷 求lim(-1+3^n)/2^(n+1)的极限(N趋向正无穷) limx趋向于无穷n2(arctan(a/n)-arctan[a/(n+1)]求极限 n(1-2的n分之a次方） 当n趋向无穷 极限是多少 求极限 lim (1+2+3+...+n/n+2-n/2)趋向是正无穷lim (1+2+3+...+n/(n+2)-n/2)趋向是正无穷 求n趋向无穷时 [(1+1/n)(1+2/n)...(1+n/n)]^1/n 的极限? 求极限lim n趋向于无穷（1/n）*√(n+1)(n+2)⋯(n+n) 求极限 lim（ √N^2+N ）－N X趋向于无穷 求极限