帮我求极限:(3n+1)(2/3)^^n;当n趋向无穷大时
求1/n+1 +1/n+3 +...1/n+2n+1 当n趋向无穷大时的极限
当n趋向无穷大时,求 ((1^2+2^2+…n^2)/(n+1)^2-n/3)的极限?
lim[n/(n*n+1*1)+n/(n*n+2*2)+...+n/(n*n+n*n)],当x趋向无穷大时,怎么求极限,
lim1/3n当n趋向于无穷大时,求它的极限
求极限(n+4/n+3)∧2n.n趋向于无穷大
当n趋向于无穷大时,求(1+2²+3²+…+n²)/n³ 极限
验证(n^2-n+2)/(3n^2+2n-4)在n趋向无穷大时极限为1/3.
((-1)^(n-1))/(n+1)*sin(n!),当n趋向无穷大时的极限
怎么求当n趋向于无穷大时1/(n+1)+1/(n+2)+…+1/(n+n)的极限呀
求(1-1/2^2)(1-1/3^2)……(1-1/n^2)当n趋向无穷大时的极限
高数求极限 急当n趋近于无穷大时求(1)[(n+1)(n-2)(n+3000)]/(2n^3+1)的极限 (2)1/(n
极限计算 lim (1+2+3+...+n)/n^2=?(n趋向于无穷大)