lim n趋近无穷 3n^3+n^2-3/4n^3+2n+1的极限

lim n趋近无穷 3n^3+n^2-3/4n^3+2n+1的极限 求极限 lim n趋近无穷 (n+1)^2/2n^2-3要完整的计算过程和结果 lim(1+1/(n+2))^n其中n趋近无穷 lim(2^n+3^n)^1 (n趋向无穷) lim2^(n+1)+3^(n+1)/2^n+3^n x趋近无穷~ lim[1/n^(1/n)]n趋近无穷 lim（1+1/n+1/n^2）^n,n趋近无穷 lim(1/n^3+(1+2)/n^3+...+(1+2+...+n)/n^3)n趋于无穷 lim(n+2)(n-1)/3n^2+2n+1= n趋近于无穷 1、lim n->无穷 根号[(n^4+n+1)-n^2]*(3n+4) lim[1^n+2^n+3^n]^(1/n)等于多少n→无穷 lim(n趋于无穷)[n(n+1)/2]/n方+3n的极限是多少? 证明lim n趋近无穷大 [1+2^(1/2)+3^(1/3)+…+n^(1/n)]/n=1 求极限lim((n+1)/(n2+1)+(n+2)/(n2+2)+...+(n+n)/(n2+n)),n趋近无穷 高数 lim n趋向无穷 lim（3^(1/n)-1)ln(2+2^n) lim(n->无穷)[(1+3+5+.(2n+1)]/n^2]^(3-2n) lim x趋向于无穷 (2^n+1+3^n+1)/(2^n+3^n)= 求lim趋向于无穷3^n+(-2)^n/3^(n+1)+(-2)^(n+1)