lim(1/n^2+4/n^2+7/n^2+…+3n-1/n^2)
lim(1/n^2+4/n^2+7/n^2+…+3n-1/n^2)
lim[(n+3)/(n+1))]^(n-2) 【n无穷大】
求极限 lim(n->无穷)[(3n^2-2)/(3n^2+4)]^[n(n+1)]
求lim(n+1)(n+2)(n+3)/(n^4+n^2+1)
一道极限题,lim[n^2(2n+1)]/(n^3+n+4)n->∞
lim 9^n+4^n+2/5^n-3^2n-1 n趋于无穷大时
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
lim根号n^2+n+1/3n-2
lim n->无穷大(2^n-1)/(3^n+1)
lim(3^2n+5^n)/(1+9^n)
求lim n→∞ (1+2/n)^n+3
求极限lim(1/2n+3/4n+……+(2^n-1)/(2^n*n))